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A major car manufacturing plant recycles $2.3 \times 10^7$ gallons of water per year. How many millions of gallons is that? $\newline$ $\newline$ ____ million gallons $\newline$

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Divide numbers ending in zeros: word problems

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Q. A major car manufacturing plant recycles

2.3 \times 10^7

gallons of water per year. How many millions of gallons is that?

\newline

\newline

____ million gallons

\newline

Divide by $10^6$ : We need to convert $2.3 \times 10^7$ gallons to millions of gallons. Since $1$ million is $10^6$ , we divide the given number by $10^6$ .
Apply Exponent Rule: So, $2.3 \times 10^7$ gallons $\div 10^6 = 2.3 \times 10^{7-6} = 2.3 \times 10^1$ million gallons.
Calculate Recycled Water: That means the plant recycles $2.3 \times 10^6$ gallons of water per year.

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