Answer:
i think its b
Step-by-step explanation:
It's very simple: It's the surface of a base times the height

<span>2 * 10^-4 - 1 * 10^-5
= 10^-4 ( 2 - 1 * 10^-1)
= 10^-4 ( 2 - 0.1)
= 10^-4 (1.9)
= 1.9 * 10^-4
hope it helps</span>
(10x 5 - 3x 6)
(50x - 18x)
(f-g) = 32x