Question

4√15 multiply by 2√5​

Answer 1

→ 4√15 x 2√5

→ (4√3) x √5 x 2√5

→ 4√3 x 2 x 5

→ 4√3 x 10

→ 40√3

→ 40 x 1.73

→ 69.282 _______ (Ans.)

Hope it helps.

^___°

Answer 2

$40 \sqrt{3}$

Step-by-step explanation:

$= 4 \sqrt{15} \times 2 \sqrt{5}$

$= 2 \times 4 \sqrt{5 \times 3 \times 5}$

$= 8 \times 5 \sqrt{3}$

$= 40 \sqrt{3}$

$hope \: it \: helped \: u \: \frac{.}{.} )$