Question

√0.4 x √ 3,6 Как решить без калькулятора?

Answer 1

√(0,4)*√(3,6) = √(0,4*3,6) = √(1,44) = 1,2

Answer 2

Вычислим произведение : √0,4×3,6=√1,44

Вычислим корень из 1.44 - это 1,2

Ответ: 1,2

Answer 3

To solve the expression √0.4 x √3.6 without a calculator, you can use some approximate mental calculations and estimation:

1. Simplify the square roots individually: √0.4 ≈ √(0.4) ≈ √(0.16) = 0.4 (approximately) √3.6 ≈ √(3.6) ≈ √(4) = 2 (approximately)

2. Now, multiply the simplified values: 0.4 x 2 = 0.8

So, the approximate value of √0.4 x √3.6 is 0.8.