8.2 x 105 = 820,000
One fifth to the fourth power is 0.0016
The standard notation of 10 to the fifth power is 105. That is also equal to one hundred thousand.
No difference. (-8)5 = (-85) = -85
Nine to the fifth power looks like this: 95
10x10x10x10x10
0.000048
7290000Num0
278,000
100000
320,000
243
1,024