10^-8 = 1/10^8 = 0.00000001
It is negative 8.
2
It is: (8*10^-3) divided by (5*10^-5) = 160
The answer is negative six.
8 x 10-11 = 0.00000000008
2*10-8 = 0.000 000 02
Multiply 800 by 10 to the negative 9th power, so that would be 8 by 10 to the negative 7th power.
= 1/262144 = 3.815*10-6 approx.
Common sense. 108 = 100,000,000 10-8 = 1/100,000,000
8 x 10 negative 3 power
10 to the negative 12 power