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sertanlavr [38]
3 years ago
12

11^-5 ÷ 11^-3 please help!!!!​

Mathematics
2 answers:
levacccp [35]3 years ago
7 0

Answer:

11^ -2  = 1 / 11^2 = 1/121

Step-by-step explanation:

11^-5 ÷ 11^-3

When the bases are the same, we subtract the exponents when dividing

11 ^ ( -5 - -3)

11 ^ ( -5+3)

11 ^ -2

We know that a^ -b = 1/a^b

1/ 11^2

1/121

prohojiy [21]3 years ago
6 0

Answer:

Step-by-step explanation:

a^{-m}=\frac{1}{a^{m}}\\\\Therefore, \frac{1}{a^{-m}}=a^{m}

11^{-5} ÷ 11^{-3} = 11^{-5} * 11^{3}\\\\            {a^{m}*a^{n} = a^{m+n}  }

                   11^{-5+3} \\\\= 11^{-2}

                 

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