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mafiozo [28]
3 years ago
10

Please Help 7th grade math

Mathematics
1 answer:
Allisa [31]3 years ago
6 0

The signs of the numbers in the problem matter because if a number is negative in the equation than you're answer could be negative.  ex. -3/9= -3   but if the negative sign wasn't there than the answer would be wrong bc the answer would be positive.



hope thats what you need hope it helps.

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(2.5×10-8)(9×10-10)​
IgorC [24]

Answer:

1360

Step-by-step explanation:

First, you do all the operations inside the parenthesis, and then you multiply the two. Also, remember the order of operations. Multiplication always comes before addition and subtraction.

(2.5x10-8)(9x10-10)

(25 - 8)(90 - 10)

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4 0
2 years ago
-2(-9m-2)-1=27+10m<br><br><br> it’s a multi-step equation!
Basile [38]

Answer:

m=3

Step-by-step explanation:

expand and move the terms around

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7 0
3 years ago
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Answer:

de from a shuffled pack, you win $9.

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Step-by-step explanation:

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3 years ago
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Step-by-step explanation:

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