Question

Evaluate and write your solution in scientific notation:(4.1 x 105)(2 x 107)
A. 8.2 x 1012
B. 8.2 x 10-2
C. 8.2 x 1035

Answer 1

Multiply the base numbers 4.1 and 2 to get...?

Answer 2

8.2 :D

Answer 3

good

Answer 4

now add the exponents: 5 and 7 to get ???

Answer 5

35?

Answer 6

no you're adding the exponents, not multiplying them

Answer 7

*12 sorry xD misread somehow

Answer 8

think of it like this

x^2 times x^3 is x^(2+3) = x^5

Answer 9

You got it. So the answer is \[\Large 8.2 \times 10^{12}\]

Answer 10

Thanks :D

Answer 11

yw