Question

Which choice is equivalent to the product below?

v2.58
O A. 4./20
O B. 4/5
O C. 16.15
O D. 8/10

Answer 1

Option B

Explanation:

√2 × √5 × √8

√2 × √5 × 2√2 [√8 = 2√2]

(√2 × √2) × √5 × 2

2 × √5 × 2

4√5

Option B is correct

Answer 2

Answer: Choice B)
`\boldsymbol{4√(5)}\\\\`

Work Shown:

`√(2)*√(5)*√(8)\\\\√(2*5*8)\\\\√(80)\\\\√(16*5)\\\\√(16)*√(5)\\\\\boldsymbol{4√(5)}\\\\`

The rule I'm using is
`√(x*y) = √(x)*√(y)`