Question

Обчислити: (2 3/7:10,2+2 2/3∙2/7)3

Answer 1

Решение задания приложено

Answer 2

To calculate the expression, follow the order of operations (PEMDAS/BODMAS):

1. Perform the multiplication and division first.
2. Then, do the addition and subtraction.
3. Finally, raise the result to the power of 3.

Let's break down the steps:

Step 1: Perform multiplication and division (2 3/7 : 10.2 + 2 2/3 * 2/7) First, let's convert the mixed fractions to improper fractions: (2 + 3/7) : 10.2 + (2 * 2/3 * 2/7) (17/7) : 10.2 + (4/3 * 2/7) (17/7) : 10.2 + (8/21) Now, let's divide 17/7 by 10.2 and add the result to 8/21: (17/7) / 10.2 + (8/21) (17/7) / 10.2 ≈ 0.244856 0.244856 + (8/21) ≈ 0.244856 + 0.380952 ≈ 0.625808

Step 2: Add the two results together 0.625808

Step 3: Raise the result to the power of 3 0.625808^3 ≈ 0.246146

The result of the expression is approximately 0.246146.