(2 x 5)2
Ten to the second power is 100. Move the decimal over two places. 110
310
196
50,600 10 to the fourth power = 10000 10 to the second power = 100 5 x 10,000 = 50,000 6 x 100 = 600
3 to the second power is 32 or 3 x 3 which is 9
It is 2.5*10^1
561
You write it as 6.28*106
1.86 times 10 to the 5th power = 186,000
32,400
8,900
92000000