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3 years ago

Which powers have of value of 81. Possible Answers: 1^81, 3^4, 6^4, 9^2, 27^3.

Mathematics

2 answers:

pishuonlain [190]3 years ago

7 0

1^81 is 1 multiplied by itself 81 times, which equals 1

3^4 is 3 multiplied by itself 4 times (3 x 3 x 3 x 3), which equals 81

6^4 is 6 multiplied by itself 4 times (6 x 6 x 6 x 6), which is 1296

9^2 is 9 multiplied by itself twice (9 x 9), which is 81

27^3 is 27 multiplied by itself 3 times (27 x 27 x 27), which is 19683.

Answer: 3^4 and 9^2

quester [9]3 years ago

4 0

1^81, 9^2, 3^4. the others are rather to high or to low

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2 years ago

Simplify the expression x8 y-26/x14 y-5 X x-39 y-21.

KonstantinChe [14]

$\frac{x^8y^{-26}}{x^{14}y^{-5}}[x^{-36}y^{-21}]$

We will apply these following power rule

$x^m*x^n = x^{m+n}$
$x^m/x^n=x^{m-n}$

$[ \frac{x^8}{x^{14}}][ \frac{y^{-26}}{y^{-5}}][x^{-39}y^{-21}]$
$[x^{8-14}][y^{-26-5}][x^{-39}y^{-21}]$
$x^{-6}y^{-21}[x^{-39}y^{-21}]$
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8 0

3 years ago

At a recreation center, it costs $3 per hour to

Zinaida [17]

It is possible to rent 8 ping pong tables.

This is because if you are renting a bowling lane for 2 hours you would do 12+12 and that’s 24. You would then do 24/3 cause that’s the amount of the cost for 1 hour of the ping pong to rent and that would give you and answer of 8.
Hope that’s helps:)

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3 years ago

Marley is a waitress. On Thursday, she earned $4.60 per hour plus $50.25 in tips. How many hours did she work that day if she ea

AleksandrR [38]

Subtract tips from total:

87.05 - 50.25 = 36.80

Divide the remainder by 4.60:

36.80 / 4.60 = 8

She worked 8 hours.

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3 years ago

Ivan is 162.4 centimeters tall and is building a tower out of cans that he wants to be as tall as he is. He wants to know how ma

Yuliya22 [10]

Answer:

he needs 24 cans

Step-by-step explanation:

162.4 - 28 = 134.4

134.4 divided by 56 = 2.4

2.4 * 10 = 24

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2 years ago