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dexar [7]
3 years ago
11

.)Express 0.000840 in scientific notation

Mathematics
1 answer:
FinnZ [79.3K]3 years ago
4 0

Step-by-step explanation:

I hope it helps.

.........

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A customer bought a car and paid $1,080 in sales tax. The sales tax rate is 6%. What was the price of the car before the tax?
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Okay. So you have the amount of take, and the tax rate.
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So:
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4 years ago
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The answer could be expressed as 2^8 because the product is 16!
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3 years ago
Two angles are complementary three times the measure of one of the angles is 10° more than the measure of the other angle. find
Mumz [18]

Answer:

The difference is 40,

Step-by-step explanation:

Complementary angles , x+y =90

so we know angle 1, we call it  3x and angle 2 we call it y= 3x+10

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x=25

angle 1= 3(25) - 10

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65-25= 40

8 0
3 years ago
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A store is offering a 20% discount on all items. Is there a proportional relationship between the original price of an item and
professor190 [17]

Answer:

A store is offering a 14% discount on all items. Write an equation relating the sale price S for an item to its list price L.

Step-by-step explanation:

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3 years ago
Simplify these expressions:<br> 1) 8y + 5 - 10y - 2
yKpoI14uk [10]

Answer:

here I think

Step-by-step explanation:

8y + 5 - 10y - 2 = (8y-10y)+(5-2)=-2y+3

4 0
4 years ago
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