Express 7,200,000,000 In Scientific Notation.?

2008-06-19 7:26 pm

A. 7.2 x 10^-9
B. 0.72 x 10^-10
C. 0.72 x 10^10
D. 7.2 x 10^9

回答 (7)

2008-06-19 7:30 pm

✔ 最佳答案

7,200,000,000 In Scientific Notation.
D. 7.2 x 10^9

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2008-06-20 2:36 am

7,200,000,000
= 7.2 x 1,000,000,000
= 7.2 x 10^9
(answer D)

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2008-06-20 2:35 am

C and D are both correct

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2008-06-20 2:34 am

d is the correct answer

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2008-06-20 2:32 am

D. 7.2 x 10^9

:) check it in the calculator if you get stuck
7.2+ 2nd (,) {EE} 9 should produce 7,200,000,000.
^on a graphing calculator

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2008-06-20 2:31 am

7.2 x 10 ^9
the answer is D

參考: my head

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2008-06-20 2:29 am

d is correct answer

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