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Eva8 [605]
3 years ago
14

What is the scientific notation for a lenth of 0.000028?

Mathematics
2 answers:
vovangra [49]3 years ago
6 0
It’s the millionth i think idk how to say it
valentina_108 [34]3 years ago
3 0
2.8×10^ -5
Scientific notation is found by finding a number between 1 up to 9.9 (but not 10).

eg. 2.8 ( place à dot in between the number and count back to the original dot)
0.00002.8 (it moves 5 times)
Use ×10 to indicate the position (No of 0's)
if you move to the left, the power is -
If you move to the right, the power is +

Therefore 2.8×10^-5
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The circumference of a standard baseball is about 9in. About how many square inches of horsehide are required to cover 100 balls
Marta_Voda [28]
This is the concept of area of solid materials, we are required to calculate the total area of horsehide that is required to cover 100 balls with each having a circumference of 9 in.
The area of hide required will be given by:
area=(area of each ball)*(total number of balls)
area of each ball is given by:
SA=4πr^2
given that the circumference is 9in, we are required to find the radius of the ball
Circumference, c=2πr
thus;
9=2πr
r=9/(2π)
r=1.4 in
Therefore the surface area will be:
SA=4π*1.4^2=24.6 in^2
Therefore the area of horsehide required to cover 100 balls will be:
Area=24.6*100=2,460 in^2.
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3 years ago
What is the solution to this inequality?
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<h2>A</h2>

Step-by-step explanation:

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3 0
3 years ago
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If your the bus driver and you have 30 kids on the bus. But the first stop 10 kids get off the bus how old is the bus driver?
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Step-by-step explanation:

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The price of a pair of shoes is 45.90. the sales tax is 5%. how much sales tax do you need to pay
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