Maths 問題(about express numbers in scientific notation)

2008-07-30 7:14 pm

express the following numbers in scientific notation

1. 32300
2. 0.00085
3. (3.61*10^-3)+(2.3*10^-4)
4. (5.03*10^-2)*(7.3*10^-2)

回答 (1)

2008-07-30 8:04 pm

✔ 最佳答案

1) 323 * 10^2

2) 8.5 * 10^-4

3) 3.84 * 10^-3

4) 1.233 * 10^-1

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