What is the value of the expression when a = 5 and b = 3? 4a^2 5b^3 a. 55 b. 74 c. 81 d. 145

asked Mar 10, 2016 123k views

3 votes

What is the value of the expression when a = 5 and b = 3? 4a^2 5b^3

a. 55
b. 74
c. 81
d. 145

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4 votes

$4a^25b^3\\\\subtitute\ the\ values\ of\ a=5\ and\ b=3\ to\ the\ expression:\\\\4(5^2)\cdot5(3^3)=4(25)\cdot5(27)=100\cdot135=\boxed{13,500}$

Ken Hume answered Mar 16, 2016

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