Answer: the third one
Step-by-step explanation:
Answer:
2 x 10^16
1.3 x 10^-4 x n = 2.6 x 10^12
(1.3 x 10^-4 /1.3 x 10^-4) x n = 2.6 x 10^12/1.3 x 10^-4
n = 2 x 10^16
When dividing, subtract your exponents.
12 - (-4) = 16
