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Mathematics 14 Online
OpenStudy (anonymous):

Multiply

OpenStudy (anonymous):

http://prntscr.com/34s6lx

OpenStudy (anonymous):

that is the picture of what the problem looks like because i cant type it here

ganeshie8 (ganeshie8):

cancel top and bottom watever u can

OpenStudy (anonymous):

what does the Dot mean

ganeshie8 (ganeshie8):

\(\large \frac{10y^4}{b^3y} \bullet \frac{3b^2}{4y}\) means \(\large \frac{10y^4}{b^3y} \times \frac{3b^2}{4y}\)

ganeshie8 (ganeshie8):

it is same as : \(\large \frac{10y^4\times 3b^2}{b^3y\times 4y} \)

ganeshie8 (ganeshie8):

first cancel out numbers : 2 goes in both 10 and 4 right ?

ganeshie8 (ganeshie8):

\(\large \frac{10y^4\times 3b^2}{b^3y\times 4y} \) cancel 2 in both top and bottom : \(\large \frac{5y^4\times 3b^2}{2b^3y\times y} \)

ganeshie8 (ganeshie8):

fine ?

ganeshie8 (ganeshie8):

next cancel y's, wat do u get ?

OpenStudy (anonymous):

the same one without the Y's ?

ganeshie8 (ganeshie8):

\(\large \frac{10y^4\times 3b^2}{b^3y\times 4y} \) cancel 2 in both top and bottom : \(\large \frac{5y^4\times 3b^2}{2b^3y\times y} \) \(\large \frac{15y^4\times b^2}{2b^3y\times y} \) canceling y's : \(\large \frac{15y^2\times b^2}{2b^3} \)

ganeshie8 (ganeshie8):

finaly cancel out top two b's in bottom 3 b's that leaves 1 b in the bottom

ganeshie8 (ganeshie8):

\(\large \frac{10y^4\times 3b^2}{b^3y\times 4y} \) cancel 2 in both top and bottom : \(\large \frac{5y^4\times 3b^2}{2b^3y\times y} \) \(\large \frac{15y^4\times b^2}{2b^3y\times y} \) canceling y's : \(\large \frac{15y^2\times b^2}{2b^3} \) cancel b's : \(\large \frac{15y^2}{2b} \)

ganeshie8 (ganeshie8):

let me knw if smthng doesnt make sense

OpenStudy (anonymous):

so 15y^2 /2b is the final answer?

ganeshie8 (ganeshie8):

yup!

OpenStudy (anonymous):

thanks

ganeshie8 (ganeshie8):

yw

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