When you multiply by ten to a power, move the decimal point to the right by the number of places of the power.
3.6 x 10 ^4 move decimal 4 places to right
= 36000
24,000
30,000
23000
45,300
47,470
2.1x1010 (30,000 x 700,000)
37.7
100 times less
50,600 10 to the fourth power = 10000 10 to the second power = 100 5 x 10,000 = 50,000 6 x 100 = 600
10 to the tenth power is 10,000,000,000. When you multiply this by 0.57, you get 5,700,000,000. Therefore, ( 10^{10} \times 0.57 = 5.7 \times 10^9 ).
4.526*10-4 = 0.0004526
1.9647 10^4 = 19647