Question

What is (2 x10^-3) x (4x10^4)?

Answer 1

top left choice is correct. 0.002 g is 10^(-3) time the approximate number of seed in the jar 4*10^4 (40000) = 10

Answer 2

Separate the equation like this:

(4x2) (10^-3 x 10^4)

Then multiply the first and add the powers:

Final Answer: 8 x 10^1

hope that helps :)