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antiseptic1488 [7]
3 years ago
9

Neptune is 4.5 billion kilometers from the sun. Represent this number in scientific notation

Mathematics
2 answers:
denis-greek [22]3 years ago
7 0

Answer:

4.5*10^9

Step-by-step explanation:

Tanya [424]3 years ago
5 0

Answer:

4.5 x 10 ^9

Step-by-step explanation:

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Marsha is buying a new cell phone. She has a 45% off coupon from the store. She pays $275 for the cell phone. What is the price
jekas [21]

Answer:

The price of the cell phone without the coupon= $500

Step-by-step explanation:

Step 1: Express discounted amount

The discounted amount can be expressed as a function of the original  cost of the phone as follows;

D=r×A

where;

D=discounted amount

r=coupon rate

A=original price of the cell phone before the coupon

In our case;

r=45%=45/100=0.45

A=a

replacing;

Discounted amount=(0.45×a)=0.45 a

Step 2: Amount she pays up

Amount she pays=Original cost of cell phone-discounted amount

where;

Amount she pays= $275

original cost of cell phone=a

discounted amount=0.45 a

replacing;

$275=a-0.45 a

0.55 a=275

a=275/0.55

a=500

The price of the cell phone without the coupon= $500

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3 years ago
Jordan is another employee at the same coffee shop. He has worked there longer than Gabe and earns $3 more per hour than Gabe. C
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Answer:

I think we need to see something

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Which of the following is not an integer?<br><br> 0<br> 0.54<br> -45<br> 17
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Decimals are not an integer, so that’s making 0.54 not an integer
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3 years ago
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