Question

28a/4a^3 (its a fraction). Choices: a) 7a^2 ; b) 7/a^2 ; c) 1/7a^2

Answer 1

which part don't u understand? let me help you..

Answer 2

Pretty sure its 7a^2, just making sure, plus the other possible answers made me a bit confused :P

Answer 3

mmm, no.. i think it's not the answer ;o

Answer 4

Aghh, I'm confused now >.<

Answer 5

in my opinion :
28a/4a^3
= 28/4 * a/a^3
= 7 * 1/(a^-1 * a^3)
= 7 * 1/(a^(-1+3))
= 7 * 1/a^2
= 7/a^2
cmiiw :)

Answer 6

Omg that made more sense than I thought :P Thankyou sooo muchhh!! Cmiiw? :P