Question

PLEASE HELP ASAP

How much greater is 4×10 to the ninth power than 5×10 to the fifth power. Estimate by rounding to the nearest whole number

Answer 1

Exact: 3,999,500,000

Estimate: 4,000,000,000

Explanation:

(4)(10) = 40

(4 x 10)9 = 4,000,000,000

Notice that there are 9 zeros

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(5)(10) = 50

(5 x 10)5 = 500,000

Notice that there are 5 zeros

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4,000,000,000 - 50,000 = 3,999,500,000