Question

Evaluation:- √³ - 64 × - 125​

Answer 1

Answer:

On prime factorising, we get,

125=5×5×5 =5

3

64=2×2×2×2×2×2=4×4×4 =4

3

.

Then,

3

125×64

=

3

5

3

×4

3

=5×4=20.

Therefore, 20 is the solution.

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Answer 2

Answer:

$\frac{4}{5} = 0.8.$