what is the solution to (3 × 102) x (5 × 105), written in scientific notation?

Question

A.1.5 × 10^8
B.15 × 10^8
C.1.5 × 10^7
D.15 × 10^7

ben spent 2/3 of his allowance on video games. what is the fraction of his allowance expressed as a decimal.
0.6
0.7
0.16
0.17

My answers
B
A

Answer 1

what is the solution to (3 × 102) x (5 × 105), written in scientific notation?:: Each has only one significant digit, so none of the answers are right. However, ignoring that (so many math teachers dont know science math), 15e7 or 1.5e8

Answer 2

ben spent 2/3 of his allowance on video games. what is the fraction of his allowance expressed as a decimal.:: answer: .67 or .7 this is really a very poor question on the teachers' effort. If she wanted it rounded to one decimal place (.7) it should have been stated. Most folks would say 0.7 if they were limited to one decimal place.

Answer 3

What is the solution to
(3 x 10^2) x (5 x 10^5) written in scientific notation? I think this is the same question they asked.

Answer 4

I still need help if you can Bob

Answer 5

if you would excuse me mr bob pursley the correct answer would be 0.7(with a line over it)

Answer 6

9. d. 15 x 107
10. B 0.7------

Answer 7

What is the solution to (3 x 10^2) x (5 x 10^5), written in scientific notation? (1 point)
Answer: 1.5 x 10^8 (A)

Ben spent 2/3 of his allowance on video games. What is the fraction of his allowance expressed as a decimal?
Answer: 0.7 Repeated (B)

Hope this helped. Good luck with the rest of the test.