Question

2x^4/10y^2*5y^3/4x^3
how do i multiply and state the restrictions on the variables?

Answer 1

4x^7/25y^5

Answer 2

the answer is xy/4 i was hoping someone knew how to get that

Answer 3

Was I wrong?

Answer 4

\[\frac{2x^4}{10y^2}\times\frac{5y^3}{4x^3}=\frac{10x^4y^3}{40y^2x^3}=\frac{xy}{4}\]

Answer 5

how do ypu know to leave the 4 on bottom?

Answer 6

because:
\[\frac{10}{40}=\frac{1}{4}\]

Answer 7

Also I forgot to say that x and y cannot be 0 because then the denominator would be

Answer 8

nd the fractions would be undefined.

Answer 9

thank you for explaining!

Answer 10

yw