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What is the quotient of 
1.876 ×10^(9) and 
6.7 ×10^(6) expressed in scientific notation?
Answer:

What is the quotient of 1.876×109 1.876 \times 10^{9} and 6.7×106 6.7 \times 10^{6} expressed in scientific notation?\newlineAnswer:

Full solution

Q. What is the quotient of 1.876×109 1.876 \times 10^{9} and 6.7×106 6.7 \times 10^{6} expressed in scientific notation?\newlineAnswer:
  1. Divide Decimal Numbers: Divide the significant figures (decimal numbers) of the given numbers.\newlineWe have 1.8761.876 divided by 6.76.7.\newlineCalculation: 1.876÷6.70.2801.876 \div 6.7 \approx 0.280
  2. Subtract Exponents: Subtract the exponents of the powers of 1010 in scientific notation.\newlineWe have 10910^9 divided by 10610^6.\newlineCalculation: 10(96)=10310^{(9-6)} = 10^3
  3. Combine Results in Scientific Notation: Combine the results of Step 11 and Step 22 to express the quotient in scientific notation.\newlineThe quotient is approximately 0.280×1030.280 \times 10^3.\newlineHowever, scientific notation requires the significant figure to be between 11 and 1010. So we need to adjust the decimal point.
  4. Adjust Significant Figure: Adjust the significant figure to be between 11 and 1010 and adjust the exponent accordingly.\newlineMove the decimal point one place to the right to get 2.802.80, which is between 11 and 1010.\newlineSince we moved the decimal one place to the right, we need to decrease the exponent by 11.\newlineCalculation: 0.280×103=2.80×1031=2.80×1020.280 \times 10^3 = 2.80 \times 10^{3-1} = 2.80 \times 10^2

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