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Choose an equivalent expression for

Choose an equivalent expression for-example-1
User Joan Rieu
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2 Answers

2 votes

In order to find the equivalent expression for
(( (3)/(4)) {}^(4) ( (3)/(4)) {}^(3)) {}^(2) , we will solve among the brackets.

Firstly,we will solve the exponents inside of the brackets,

for that, we will add the exponents as their bases are same


\rightarrow \: (( (3)/(4)) {}^(4) ( (3)/(4)) {}^(3)) {}^(2) = ( ( (3)/(4)) {}^(4 + 3)) {}^(2)


\rightarrow \: ( ( (3)/(4)) {}^(7)) {}^(2)

Now , we will multiply among the exponents in and out of the brackets


\rightarrow \: ( (3)/(4)) {}^(7 * 2)


\rightarrow \: ( (3)/(4)) {}^(14)

Therefore, option (4)
\: ( (3)/(4)) {}^(14)
is our answer .

User Marek Piotrowski
by
8.3k points
5 votes

Answer:


\left((3)/(4)\right)^(14)

Explanation:


\boxed{\begin{aligned} &\textsf{ The laws of exponents with whole number exponents are:} \\\\& \textsf{ Product rule: } \sf (a^m)(a^n) = a^((m+n) )\\\\&\textsf{ Quotient rule: } \sf ( (a^m))/((a^n)) = a^((m-n) )\\\\& \textsf{ Power rule: } \sf (a^m)^n = a^((mn))\\\\& \textsf{ Zeroth power rule: } \sf a^0 = 1\\\\& \textsf{ Negative power rule: } \sf a^(-n) = (1)/(a^n )\end{aligned}}

Let's apply these laws to the expression.


\sf \left[\left((3)/(4)\right)^4\left((3)/(4)\right)^3\right]^2

The first step is to use the product rule:


\sf \left[\left((3)/(4)\right)^4\left((3)/(4)\right)^3\right]^2 = \left[\left((3)/(4)\right)^(4+3)\right]^2 = \left[\left((3)/(4)\right)^(7)\right]^2

The second step is to use the power rule:


\sf \left[\left((3)/(4)\right)^(7)\right]^2 = \left((3)/(4)\right)^(7* 2) = \left((3)/(4)\right)^(14)


\textsf{ Therefore, the simplified expression is : }\left((3)/(4)\right)^(14)

User Ronnbot
by
8.1k points

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