Please help answer this!!!

asked Nov 19, 2021 195k views

1 vote

by Rakex

3.5k points

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3 votes

Answer:

49)
$12\,b^4$

50)
$200\,x^6$

Explanation:

Use the properties of exponent to reduce this expressions:

a)
$3\,b\,*\,4 \,b^3=(3\,*\,4)\,(b\,*\,b^3)=12\,b^((1+3))=12\,b^4$

b)
$5\,x^2\,*\,8\,x\,5\,*\,x^3=(5\,*\,8\,*\,5)\,(x^2\,*\,x\,*\,x^3)=200\,x^((2+1+3))= 200\,x^6$

Mamnarock answered Nov 24, 2021

4.8k points

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