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statuscvo [17]
3 years ago
7

Select all that are equal to 5³x 5⁻⁷

Mathematics
2 answers:
AnnyKZ [126]3 years ago
8 0

Answer:

The third and fifth are correct

The second one is NOT correct

Oksana_A [137]3 years ago
5 0
Answer : the second and third ones are correct.

explanation for the second one : they don’t accept negative exponent answers. by putting a “1” on top, it just means that you’re simplifying the problem and you’re just taking the 5^-4 and making it positive

explanation for the third one : it’s just the answer to 5^3•5^-7 but not simplified yet
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vichka [17]

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Step-by-step explanation:

Step 1:

First, we need to determine how much Karmin made an hour.

Karmin's hourly rate = \frac{480}{30} = 16.

So Karmen made $16 every hour that she worked. She worked for 30 hours and earned $480.

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Step 2:

We need to determine how much 15% of $16 is.

15% of $16 = \frac{15}{100} (16) = 0.15 (16)= 2.4.

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So the hourly rate for this month 16 + 2.4 = 18.4.

So Karmin will make $18.4 for working 1 hour.

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aleksklad [387]

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Step-by-step explanation:

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4 0
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