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3 votes
Evaluate: 64 ^1/3

A) 3
B) 4
C) 6
D) 8

2 Answers

3 votes

Answer:

(B) 4

Explanation:


64 ^(1)/(3) \\\\\mathrm{Factor\:the\:number:\:}\:64=4^3\\\\=\left(4^3\right)^{(1)/(3)}\\\\\mathrm{Apply\:exponent\:rule}:\quad \left(a^b\right)^c=a^(bc),\:\quad \:a\ge 0\\\\\left(4^3\right)^{(1)/(3)}=4^{3*(1)/(3)}\\\\3*(1)/(3)=1\\\\=4^1\\\\=4

User Isurfbecause
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4.6k points
0 votes


\text{Hey there!}


\bf{(64)^ {(1)/(3)}}


= \bf{\sqrt[3]{64^1} }


\bf{√(64^1) \ \rightarrow 64}


\sqrt[3]{64}


√(64)= 8


\bf{We\ solve\ half\ of\ 8 \ by\ dividing\ 8\ from\ 2 \ like: (8)/(2)}


\bf{(8/2)/(2/2) = (4)/(1) = 4 }


\bf{Thus, \ your\ answer\ is: \boxed{\bf{B. \ 4}}}\checkmark


\text{Good luck on your assignment and enjoy your day!}

~
\frak{LoveYourselfFirst:)}

User Micha Wiedenmann
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4.7k points