Which shows the following expression using positive exponents?

-3a^-2b^3/15a^-7b^-1 a ≠ 0, b ≠ 0

A a^7b^3b^1/15 (3) a^2

B - 3a^7b^3b^1/15a^2

C - 3 (-a^2) b^3/15 (-a^7) (-b^1)

D 15a^7b^3b^1/-3a^2

Which shows the following expression using positive exponents?

a^3b^-2/ab^-4, a ≠ 0, b ≠ 0

A a^3b^-4/ab^-2

B ab^4/a^3b^2

C - a^3b^4/ab^2

D a^3b^4/ab^2

Which expression is equivalent to (4mn/m^-2n^6) ^-2? Assume m ≠ 0, n ≠ 0

A n^6/16m^8

B n^10/16m^6

C n^10/8m^8

D 4m^3/n^8

Question

28 January, 06:00

+5

Answers (1)

Know the Answer?

Zoey Herman · Answer 1

1) B. - 3a^7b^4/15a^2

2) D. a-^3b^4/ab^2

3) B n^12/16m^2n^2m^4. 2 n's cancel on the top and bottom