Rewrite each of the following using the powers of 10.

1) 79 x 10 =

2) 15 x 100 =

3) 22 x 1,000 =

4) 15 x 1,000 =

5) 83 x 10^2 =

6) 23 x 10^2 =

7) 72 x 10^2 =

8) 4 x 10^2 =

9) 75 x 10^2 =

10) 55 x 10^2 =

11) 81 x 10^3 =

12) 3 x 10^3 =

13) 81 x 10^3 =

14) 85 x 10^3 =

15) 98 x 10^⁻1 =

16) 86 x 10^⁻3 =

17) 65 x 10^⁻2 =

18) 19 x 10^3 =

19) 3.49 x 10^9 =

20) 2.79 x 10^8 =

21) 8.42 x 10^7 =

22) 7.32 x 10^6 =

23) 3.84 x 10^5 =

24) 4.12 x 10^4 =