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valkas [14]
3 years ago
14

Evaluate the following expressions, and justify your answers. WhatPower1/3(9)

Mathematics
1 answer:
Galina-37 [17]3 years ago
3 0

Answer:

correct answer is -2

Step-by-step explanation:

given data  as per question

WhatPower1/3(9)

to find out

Evaluate the expressions WhatPower1/3(9)

solution    

so here  we know that whatpower mean exponent of equation so we get by given equation  

so

we know WhatPower1/3(9)  = -2

because  here

we know that   \frac{1}{3} * \frac{1}{3}  = \frac{1}{9}

but we want only 9

so \frac{1}{\frac{1}{3}} * \frac{1}{\frac{1}{3}}  = 9

so exponent is -2

so here we can say that

(\frac{1}{3})^{-2}  = 9

so that  the exponent  is here -2 of \frac{1}{3}  that become 9

so correct answer is -2

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