Question

Which numbers are greater than 7 × 10^−4?

Choose all answers that are correct.

A.
8 × 10^−4

B.
9 × 10^−5

C.
4 × 10^−4

D.
3 × 10^−2

E.
7 × 10^−5

Answer 1

@texaschic101

Answer 2

@Nnesha

Answer 3

A D E?

Answer 4

A and D.

Answer 5

@iambatman

Answer 6

@chosenmatt @Kitten_is_back Please help.

Answer 7

@duck. plz explain

Answer 8

rule for negative exponents : a^-4 = 1/a^4
7 * 10^-4 = 7 * 1/10^4 = 7/10000 or 0.0007

A. 8 * 10^-4 = 8 * 1/10^4 = 8/10000 or 0.0008
B. 9 * 10^-5 = 9 * 1/10^5 = 9/100000 or 0.00009
C. 4 * 10^-4 = 4 * 1/10^4 = 4/10000 or 0.0004
D. 7 * 10^-5 = 7 * 1/10^5 = 7/100000 or 0.00007

greater then 0.0007 --- I think it is just A