Question

2/7 * (-28)-0,2*15 как решить​

Answer 1

Ответ:

2/7 * (-28)-0,2*15= -11

Объяснение:

2/7 * (-28)-0,2*15

1)2/7×(-28)= 2×(-4)=-8

2)-0,2×15= -3

3)-8-7,5= -11

Answer 2

To solve the expression 2/7 * (-28) - 0.2 * 15, we can follow the order of operations, also known as PEMDAS (Parentheses, Exponents, Multiplication and Division, and Addition and Subtraction).

Step 1: Evaluate the multiplication and division

First, we multiply 2/7 by -28, and then multiply 0.2 by 15.

2/7 * (-28) = -8 0.2 * 15 = 3

Now the expression becomes: -8 - 3.

Step 2: Evaluate the subtraction

Finally, we subtract 3 from -8.

-8 - 3 = -11

Therefore, the solution to the expression 2/7 * (-28) - 0.2 * 15 is -11.

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