Question

pls explain step by step ​

Answer 1

Answer:

8^16÷8^25

bases are same

8^16-25

8^-8

1/8^8

Answer 2

1. (i)  $3^4$×$3^5$= $3^{4+5}$=$3^9$   by the property $x^{m}$×$x^{n}$=$x^{m+n}$

  (ii) $5^{?}$×$5^5=5^7$

       $5^{?} = \frac{5^7}{5^5}$

      $5^{?} = 5^{7-5}$

       $5^{?} = 5^{2}$

       ?=2        by the property $x^{m}$÷$x^{n} =$$x^{m-n}$

(iii) this can be solved using the above properties, give it a try yourself :)

(iv) solve using the property $(x^{m} )^{n}= x^{m*n}$

2. (i) False

    (ii) False

     (iii) True

       (iv) False

        (v) False

3. (i) =$8^{16-25}$= $8^{-9}$=$\frac{1}{8^{9} }$

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