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Sliva [168]
3 years ago
13

The sandbox at a local playground is shaped like a square. The length of one side of the sandbox is 8 feet. What is the area of

the sandbox, written as an expression with exponents?
Mathematics
1 answer:
Degger [83]3 years ago
8 0
A=8^2
A=64ft^2
A square is defined as a 4 sided shape with all equal sides, so all 4 sides should be 8 feet.
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Help on 4 plz quick also if you can
RideAnS [48]

The area of the rect. is 100 ft times 64 ft, or 6400 ft^2.

Let's list factors of 6400: 64,100

64= 2^6

100= 2^2*5^2

Here we see that 2 appears 8 times as a factor, and 5 appears 2 times:

6400 = 2^6 * 10^2 = 2^8*5^2

4 0
3 years ago
A company installs 5,000 light bulbs. the lifetimes of the lightbulbs are approximately normally distributed with a mean of 500
Sergio039 [100]
First, determine the z-score of 675. 
                               z = (675 - 500) / 100 = 1.75
The z-score of 500 is,
                               z = 0. 
Subtracting the z-scores will give us 1.75. This is equal to 0.9599. 
                        = 0.9599 - 0.5 = 0.4599
Multiplying this to the given number of light bulbs,
                             n = 0.4599 x 5000 = 2299.5
Therefore, there is approximately 2300 light bulbs expected to last between 500 to 675 hours.
5 0
2 years ago
Do the question in the picture and then tell how you got your answer
liraira [26]
2(2\sqrt4)^{-2}=\\
2\cdot(2\cdot2)^{-2}=\\
2\cdot(2^2)^{-2}=\\
2\cdot2^{-4}=\\
2^{-3}=\\
\frac{1}{8}

7 0
3 years ago
A support cable connects the top of a bridge tower to the road at a point 200.7 feet away from the center of the bridge tower
andrey2020 [161]
Helen jwhwjwj jwjwjwjw jwjwjwj where
4 0
3 years ago
What is the simplified expression for 3^3• 3^3/3^4?<br>A. 3^0<br>B.3^1<br>C.3^2<br>D.3^4​
Klio2033 [76]

Answer:

C

Step-by-step explanation:

It is C because multiplying exponents means you add the top number while dividing means subtract.

8 0
3 years ago
Read 2 more answers
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