4,096
The standard notation of 7.86x10 to the power of -4 is 0.000786
9
1024 is the standard notation for 45.
4 to the third power is written as 4^3 = 4 X 4 X 4 = 64
for example: 4 to the power if 2 is just 4*4. that is literally a standard notation.
1.2 × 10-4 written in standard notation is 0.00012
3.1 x 10-4 = 0.00031
625
45
4,096
4.0 × 10-2 written in standard notation is 0.040
4,194,304