Question

Simplify as far as possible without using a calculator.2√3×4√5

Answer 1

= 8√15

Explanation:

Steps

2√3 x 4√5

Apply radical rule: √a√b=√ab.

√3 √5 = √3x 5

=2√3x 5 x 4

Multiply the numbers: 3 x 5= 15

=2√15 x 4

Multiply the numbers: 2 x 4 =8

= 8√15

2√3 x 4√5 = 8√15 (Decimal: 30.98386..)