Question

Обчисліть значення виразу(5√0,4)^2

Answer 1

(5√0,4)²=5²*(√0,4)²=25*0,4=10

Answer 2

To compute the value of the expression (5√0.4)^2, follow these steps:

Step 1: Simplify the square root √0.4 = √(4/10) = √(2/5) = √2 / √5 ≈ 0.632 (rounded to three decimal places).

Step 2: Square the simplified square root (0.632)^2 ≈ 0.399 (rounded to three decimal places).

Step 3: Multiply by 5 5 * 0.399 ≈ 1.995 (rounded to three decimal places).

Therefore, the value of the expression (5√0.4)^2 is approximately 1.995.