Question

Tính :

a) \(\left(\frac{1}{3}\right)^5.3^5\)

b) (1,5)³ . 8

Answer 1

a) \(\left(\frac{1}{3}\right)^5\cdot3^5=\left(\frac{1}{3}\cdot3\right)^5=1^5=1\)

b) \(\left(\frac{3}{2}\right)^3\cdot2^3=\left(\frac{3}{2}\cdot2\right)^3=3^3=27\)

 

Answer 2

a)

\(\left(\frac{1}{3}\right)^5.3^5=\left(\frac{1}{3}.3\right)^5=1^5=1\)

b)

\(\left(1,5\right)^3.8^3=\left(1,5\right)^3.2^3=\left[\left(1,5\right).2\right]^3=3^3=27\)

Answer 3

a)\(=\frac{1}{3^5}.3^5=1\)

b)\(=\frac{27}{8}.8=27\)

Answer 4

a )(\(\frac{1}{3}\) )⁵.3⁵= ( \(\frac{1}{3}\) .3)⁵=1⁵=5

b)(1,5)³.8=(1,5)³.2³= (1,5.2)³=3³=27

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