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# 8th Grade Math Scientific Notation Unit Test

15 questions

### #1 of 15:Medium

Scientific Notation

<p> What is `5.25 × 10^6` written in standard form?</p>

### #2 of 15:Medium

Scientific Notation

<p> What is `7 × 10^-5` written in standard form?</p>

### #3 of 15:Mild

Scientific Notation

<p>A honey bee hive can have as many as `70text(,)000` bees living together in a colony.</p> <p> What is this number written in scientific notation?<br><highlight data-color="#666" data-style="italic">Round the coefficient to the nearest thousandths, if necessary.</highlight></p>

### #4 of 15:Spicy

Scientific Notation

<p>The temperature at the core of the Sun is approximately `15` million degrees Celsius. </p><p>What is this number in scientific notation?<br><highlight data-color="#666" data-style="italic">Round the coefficient to the nearest thousandths, if necessary.</highlight></p>

### #5 of 15:Medium

Scientific Notation

<p>In the United States today there are approximately `2.88 times 10^9` pennies in circulation. </p><p>What is this number written in standard form?</p>

### #6 of 15:Medium

Scientific Notation

<p>The age of the Earth is estimated to be `4.6 times 10^9` years old. </p><p>What is this number written in standard form?</p>

### #7 of 15:Mild

Scientific Notation

<p>An electronics store sold `6 times 10^3` wireless bluetooth earbuds last year. </p><p>What is this number written in standard form?</p>

### #8 of 15:Mild

Scientific Notation

<p> Subtract. Write your answer in scientific notation. </p> <p>`6.75 × 10^4 - 5.2 × 10^4` </p><i><p style="color:#808080"> Round the coefficient to nearest thousandth, if necessary.</i> </p>

### #9 of 15:Spicy

Scientific Notation

<p> Add. Write your answer in scientific notation. </p> <p>`2.9 × 10^4 + 3,478` </p><i><p style="color:#808080"> Round the coefficient to nearest thousandth, if necessary.</i> </p>

### #10 of 15:Mild

Scientific Notation

<p>What is `5.32 × 10^5` multiplied by `1.81 × 10^7`?</p><i><p style="color:#808080"> Write your answer in scientific notation.</i> </p><i><p style="color:#808080"> Round the coefficient to nearest thousandth, if necessary.</i> </p>

### #11 of 15:Medium

Scientific Notation

<p>What is `6.7 × 10^-4` multiplied by `3.51 × 10^6`?</p><i><p style="color:#808080"> Write your answer in scientific notation.</i> </p><i><p style="color:#808080"> Round the coefficient to nearest thousandth, if necessary.</i> </p>

### #12 of 15:Mild

Scientific Notation

<p>Ross is solving a problem using a calculator, and his calculator shows `6.5 times 10^{-5}` as the final answer. His friend David is also solving the same problem, and his calculator displays `4.9 times 10^{-5}` as the final answer. </p><p>What is the difference between their final answers?<br><highlight data-color="#666" data-style="italic">Write your answer in scientific notation. Round the coefficient to the nearest thousandths, if necessary.</highlight></p>

### #13 of 15:Spicy

Scientific Notation

<p>Saturn is `1text(,)427text(,)034text(,)000` km from the Sun. Venus is `1.08 times 10^8` km from the Sun.</p><p>How much farther is Saturn from the Sun than Venus?<br><highlight data-color="#666" data-style="italic">Write your answer in scientific notation. Round the coefficient to the nearest thousandths, if necessary.</highlight></p>

### #14 of 15:Medium

Scientific Notation

<p>The mass of an electron is about `9.05times 10^-28` grams. </p><p>If there are `3.3times 10^22` electrons in `1` ml of water, what is the total weight of the electrons in `1` ml of water? <br><highlight data-color="#666" data-style="italic">Write your answer in scientific notation. Round the coefficient to the nearest thousandths, if necessary.</highlight></p>

### #15 of 15:Spicy

Scientific Notation

<p>There are `5.9times 10^20` copper atoms in a penny. </p><p>The bank has `25text{,}000` pennies in the vault. How many copper atoms are in all of the pennies at the bank? <br><highlight data-color="#666" data-style="italic">Write your answer in scientific notation. Round the coefficient to the nearest thousandths, if necessary.</highlight></p>

Scientific notation means presenting very large numbers or very small numbers in a simpler form. To multiply numbers in scientific notation you should multiply the decimal number. The primary reason why students should solve a scientific notation test is to enhance their understanding of this concept. They can easily assess whether they have robust knowledge of Scientific notation.

Scientific notation means presenting very large numbers or very small numbers in a simpler form. To multiply numbers in scientific notation you should multiply the decimal number. The primary reason why students should solve a scientific notation te...

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Scientific Notation

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Any math teacher that I know would love to have access to ByteLearn.  Jennifer Maschino
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### What teachers are saying about BytelearnWhat teachers are saying  Stephen Abate
19-year math teacher
Carmel, CA
Any math teacher that I know would love to have access to ByteLearn.  Jennifer Maschino
4-year math teacher
Summerville, SC
“I love that ByteLearn helps reduce a teacher’s workload and engages students through an interactive digital interface.”  Rodolpho Loureiro
Dean, math program manager, principal
Miami, FL
“ByteLearn provides instant, customized feedback for students—a game-changer to the educational landscape.”