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andrew-mc [135]
3 years ago
15

Is 0.9 a rational number ? what type of answer is desired?

Mathematics
1 answer:
wolverine [178]3 years ago
6 0
When paired with 0.23 0.9 is a rational number
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Evaluate this expression <br> (-7--9)*(8+2)
Marizza181 [45]
Before we get started, it is good to remember PEMDAS - the acronym that tells you the order to carry out equations.

P = parentheses
E = exponents
M = multiplication
D = division
A = addition
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Knowing this, we should start by doing the equations <em>within </em>each parentheses.
 
(-7 - -9) *(8 + 2)
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So we did the addition and subtraction pieces within each group leaving us with the above equation. Now let's multiply:

(2)*(10) = 20

20 is the answer.
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Step-by-step explanation:

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Rzqust [24]
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lidiya [134]

Answer:

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Step-by-step explanation:

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