Question

Solve the following using scientific notation and standard notation:

Answer 1

1) 2.5 x 10^7 
= 25,000,000

2) 1 x 10^-3 
= 0.001

3) 3,670,000
= 3.67 x 10^6

4) .00000000295
=2.95 x 10^-9

Answer 2

1: 25000000
2: 1/1000

and the other 2 i don't understand