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sveta [45]
3 years ago
11

I need help with the first one only just so I can understand the rest of them

Mathematics
1 answer:
Grace [21]3 years ago
6 0

Answer:

  7^3 x 1/16^9.

Step-by-step explanation:

Write using positive exponents.

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erica [24]

Answer:

\frac{1}{4}

Step-by-step explanation:

\frac{1}{2} = \frac{2}{4}  We need a common denominator before we can add.

\frac{2}{4} + \frac{-1}{4}  means the same thing as

\frac{2}{4} - \frac{1}{4} = \frac{1}{4}

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How many times can 52 go into 8
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Step-by-step explanation:

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yawa3891 [41]

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Step-by-step explanation:

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