Question

how do you find the area of a rectangle with exponents... the length is 4x^3 and the width is 5x^4 but I don't know what to do to the exponents

Answer 1

add them
\[\huge x ^{a}*x ^{b} = x ^{a+b}\]

Answer 2

thanks so I got 20x^12... correct?

Answer 3

@Algebraic!

Answer 4

u have to add powers.. not multiply..

Answer 5

20x^7...multipling same variable with diff powers adds them up...

Answer 6

oh ok thanks... I see where I messed up