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Finger [1]
2 years ago
9

Simplify the expression. Write the answer using scientific notation. (5x10^2)^-2

Mathematics
2 answers:
Basile [38]2 years ago
6 0
5^-2 x 10^-4 = .04 x 10^-4 = 4 x 10^-6
Gnoma [55]2 years ago
4 0
The answer is 25x10^-4

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What is the area of this trapezoid?<br><br><br><br> Enter your answer in the box.
ANEK [815]

Step-by-step explanation:

a=7+3+7=17

b=3

h=8

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5 0
2 years ago
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Krystal can wax a floor in 16 minutes. Perry helped her and it took 5.76 minutes. How long would it take perry to do it alone?
finlep [7]
<span>Krystal's rate = 1 floor in 16 min. = 1/16 floors per min.

Working together their rate = 1 floor in 5.76 min. = 1/5.76 floors per min.

We need to determine Perry's rate, so we need to equate their combined rate with the sum of the individual rates.

Let Perry's time = x

In equation form, we can write:
1/16 + 1/x = 1/5.76
Solve for x:

(x+16)/16x = 1/5.76 -> 5.76(x+16) = 16x -> 10.24x = 92.16 -> x = 9

So, Perry would take 9 mins. to do the floor alone.

I hope this helped!
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8 0
3 years ago
Hallway measuring 90ft by 7ft requires half a fluid oz of cleaning solution per square foot. How much cleaning solution is requi
aliya0001 [1]

90 x 7 = 630 square feet total

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7 0
3 years ago
Simplify: -3|-2|+4|-5| Show full work.
kherson [118]
Absolute values are always positive, so this becomes -3(2)+(4)(5)
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3 0
2 years ago
Read 2 more answers
HELP PLZZZZZ !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Neporo4naja [7]

Answer: I think it’s  A because 8x5=40

Step-by-step explanation:

7 0
3 years ago
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