Question

(4/5)-3×(4/5)2×4/5)3
solve

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Answer 1

$( \frac{4}{5} ) {}^{ - 3} \times ( \frac{4}{5} ) {}^{2} \times ( \frac{4}{5} ) {}^{3} \\ = ( \frac{5}{4} ) {}^{3} \times ( \frac{4}{5} ) {}^{2} \times( \frac{4}{5} ) {}^{3} \\ = \frac{5}{4} \times \frac{5}{4} \times \frac{5}{4} \times \frac{4}{5} \times \frac{4}{5} \times \frac{4}{5} \times \frac{4}{5} \times \frac{4}{5} \\ = \frac{4 \times 4}{5 \times 5} \\ = \frac{16}{25}$

Answer 2

(

5

4

)

−3

×(

5

4

)

2

×(

5

4

)

3

=(

4

5

)

3

×(

5

4

)

2

×(

5

4

)

3

=

4

5

×

4

5

×

4

5

×

5

4

×

5

4

×

5

4

×

5

4

×

5

4

=

5×5

4×4

=

25

16