Question

13•7,3-169-2,5-169•2,1​

Answer 1

Ответ:

1)13×7,3=94,9

2)169×2,1=354,9

3)94,9-169= -74,1

4)-74,1-2,5= -76,6

5)-76,6-354,9= -431,5

Answer 2

To calculate the value of the expression 13 * 7.3 - 169 - 2.5 - 169 * 2.1, you should follow the order of operations (PEMDAS/BODMAS - Parentheses/Brackets, Exponents/Orders, Multiplication and Division, Addition and Subtraction). In this case, you first perform the multiplications and then the subtractions:

1. 13 * 7.3 = 94.9
2. 169 * 2.1 = 354.9

Now, you have the expression: 94.9 - 169 - 2.5 - 354.9

3. 94.9 - 169 = -74.1
4. -74.1 - 2.5 = -76.6
5. -76.6 - 354.9 = -431.5

So, the value of the expression is -431.5.