Question

URGENT, WILL GIVE 50 POINTS

Answer 1

Answer
3) 42000000
4)80
5)3x10 power of 4
6)7x10 power of 7

Answer 2

This is pretty easy.

An exponent in this case shows how many zeros there should be, or how many places the decimal place be moved to the right (left if exponent's negative).

1. 42,000,000

2. 80

3. 3 x $10^{4}$

4. 7 x $10^{7}$

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