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yaroslaw [1]
2 years ago
6

Which choice is equivalent to the expression below?

Mathematics
2 answers:
yulyashka [42]2 years ago
7 0
<h3>Answer: Choice C</h3>

==================================================

Explanation:

We can rewrite the exponent 9.969 as 9 + 0.9 + 0.06 + 0.009

Then convert each decimal to a fraction

  • 0.9 = 9/10
  • 0.06 = 6/100
  • 0.009 = 9/1000

Your teacher is choosing not to reduce any of these fractions.

Then you'll use this rule a^{b+c} = a^b*a^c to break up the exponent into the pieces mentioned.

So,

5^{9.969} = 5^{9 + 0.9+0.06+0.009}\\\\5^{9.969} = 5^{9 + 9/10+6/100+9/1000}\\\\5^{9.969} = 5^{9}\cdot 5^{9/10}\cdot 5^{6/100}\cdot 5^{9/1000}\\\\

user100 [1]2 years ago
3 0
It’s C I did it on a test
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====================================================

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