Question

) 54 · (-8) + 54 · 9;

Answer 1

Ответ:

Пошаговое объяснение:

54×(-8)+54×9=54×(9-8)=54×1=54

Answer 2

To calculate the expression 54 * (-8) + 54 * 9, you should follow the order of operations, which is typically expressed as PEMDAS: Parentheses, Exponents, Multiplication and Division (from left to right), and Addition and Subtraction (from left to right).

Here's how you can calculate it step by step:

1. Calculate 54 * (-8): 54 * (-8) = -432

2. Calculate 54 * 9: 54 * 9 = 486

3. Now, add the results of the two calculations together: -432 + 486 = 54

So, the final result of the expression 54 * (-8) + 54 * 9 is 54.