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jeka57 [31]
3 years ago
13

Scientific notation help!!20 points

Mathematics
2 answers:
Assoli18 [71]3 years ago
8 0

Answer:

5×10 to the tenth power

Step-by-step explanation:

(9×10^10)-(4×10^10)

remove the parenthesis

9×10^10-4×10^10

then you need to collect like terms so you subtract 9-4

and get 5×10^10

final answer:5×10 to the tenth power

vodka [1.7K]3 years ago
5 0

Answer:

5 * 10^10

Step-by-step explanation:

(9 * 10^10) - (4 * 10^10)

If the * 10^x are both the same then just take the numbers away.

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kifflom [539]

Step-by-step explanation:

5x+2y=-11

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so you find values that match or can multiply by something to match-2

5x+2y=-11

- 2x+2y=5

=3x+0y=-16

3x/3=-16/3

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then substitute x in one of the equations to get y

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3 years ago
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Answer:

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3 years ago
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Explanation:

Picture
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