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nalin [4]
3 years ago
12

Define the value of the expression 3^2 x 3^{-5}

Mathematics
1 answer:
Tanya [424]3 years ago
8 0

Answer:

Between 0 and 1

Step-by-step explanation:

The given expresion is

{3}^{2} \times  {3}^{ - 5}

Recall that:

{a}^{m}  \times  {a}^{n}  =  {a}^{m + n}

We apply this property of exponents to get;

{3}^{2}  \times  {3}^{ - 5}  =  {3}^{2 +  - 5}  =  {3}^{ - 3}

We rewrite to obtain a positive index as:

{3}^{2}  \times  {3}^{ - 5}  =  \frac{1}{ {3}^{3} }  =  \frac{1}{27}

Therefore the value of the expression is between 0 and 1.

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What is the equation of a line that is perpendicular to y=4x-5 and passes through (-4,6)
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Answer:

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perpendicular lines have slopes that multiply to -1.

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4 0
3 years ago
I'm not sure about 38 - 53 please help! :)
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