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zheka24 [161]
3 years ago
12

HELP 13 POINTS!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
ahrayia [7]3 years ago
5 0

Answer:

4^{-8} \\4^{-2}\\4^{8}\\4^2

Step-by-step explanation:

For the first few exponents multiply and the rest they add because like terms.

The trick is that when you raise a power to a power you multiply. Otherwise you add if the base value is the same.

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Steps to scientific notation
chubhunter [2.5K]
1.Move the decimal place to the left to create a new number from 1 up to 10.
2.Determine the exponent, which is the number of times you moved the decimal.
3.Put the number in the correct form for scientific notation
3 0
3 years ago
4 points
USPshnik [31]

Answer:

C $1.75

Step-by-step explanation:

$469 divided by 268 is $1.75, so it's $1.75 per item

5 0
3 years ago
How to show ur work if u have 79÷10?<br> Plz hellppp
nevsk [136]

Answer:

you have to show the way you did it like this

Step-by-step explanation:

79 ÷ 10 = 7r9

3 0
3 years ago
Nick's Printing Press promptly sold 5-cent pencils and 10-cent pens to the public. It sold 1000 writing utensils and took $74.50
galben [10]

Answer:

  • 490 pens
  • 510 pencils

Step-by-step explanation:

Let p represent the number of pens Nick sold. Then the revenue is ...

  0.10p +0.05(1000 -p) = 74.50

  0.05p = 24.50 . . . . . . eliminate parentheses, subtract 50

  p = 490 . . . . . . . . . . . . multiply by 20

The number of pencils sold is then ...

  pencils = 1000 -490 = 510

Nick's Printing Press sold 490 pens and 510 pencils.

4 0
3 years ago
Find the measure of each angle using the triangle sum theorem and exterior angle theorem
Pani-rosa [81]
Just add all the numbers together and then multiple it by 3
5 0
3 years ago
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