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Sunny_sXe [5.5K]
4 years ago
14

Add and subtract the values. Express your answer in scientific notation.

Mathematics
1 answer:
STALIN [3.7K]4 years ago
8 0
You have to answer it so the answer is 4.04
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Kristen needs to earn $320 in commission this week. She earns 8%
muminat
She needs to sell $4,000 worth of merchandise.

If she needs to earn $320, and she earns 8% commission, you’re looking for what 8% of original amount equals $320.

X = original amount
8% = .08
$320 = amount needed

X * .08 = $320.
X = $320/.08
X= $4,000

Kristen needs to sell $4,000 worth of merchandise at an 8% commission rate to earn $320.
3 0
3 years ago
What does the question mark stand for
GarryVolchara [31]

Answer:

The question mark is just there in place of a number it is telling you that it does not have a number there and you have to solve for it. I hope this helps if not i can explain it more

Step-by-step explanation:

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3 years ago
Divide.
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Answer:

-1/2

Step-by-step explanation:

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2 years ago
The ratio of boys to girls in the ninth grade is 7 to 9. there are 218 girls set up a proportion to model this information
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24.2

Step-by-step explanation:

7 0
3 years ago
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Simplify each expression using the laws of exponents. No negative exponents should be in your final answer. (On the image attach
Cloud [144]

Answer:

<em>Answer</em><em> </em><em>is</em><em> </em><em>given below with explanations</em><em>. </em>

Step-by-step explanation:

by \: simplifying \: the \: given \: expression \: using \:  \\ law \: of \: exponents \: we \: get \\  \frac{15 {x}^{15}  {y}^{ - 3}  {z}^{4} }{18 {x}^{18}  { {y}^{4}  {z}^{ - 4} }^{} }  \\   = \frac{5  \: {x}^{ - 3}  {y}^{ - 7} {z}^{8}  }{6}  \\ we \: may \: also \: write \: as \\  =  \frac{5 {z}^{8} }{6 {x}^{3}  {y}^{7} }

formulae \: used  \ \: : \\  \frac{ {x}^{m} }{ { {x}^{n} }^{} }  =  {x}^{m - n}  \:  \:  \: and \\  {x}^{ - m}  =  \frac{1}{ {x}^{m} }

<em>HAVE A NICE DAY</em><em>!</em>

<em>THANKS FOR GIVING ME THE OPPORTUNITY</em><em> </em><em>TO ANSWER YOUR QUESTION</em><em>. </em>

5 0
3 years ago
Read 2 more answers
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