Question

3,5*5\9+1,8*(12,5-6,6)

Answer 1

_____________________________

Answer 2

To solve the expression 3.5 * 5 / 9 + 1.8 * (12.5 - 6.6), you should follow the order of operations, which is typically remembered using the acronym PEMDAS:

1. Parentheses
2. Exponents
3. Multiplication and Division (from left to right)
4. Addition and Subtraction (from left to right)

Let's solve the expression step by step:

1. First, evaluate the expression inside the parentheses: 12.5 - 6.6 = 5.9

2. Now, we have: 3.5 * 5 / 9 + 1.8 * 5.9

3. Next, perform the multiplications and divisions from left to right: 3.5 * 5 = 17.5 17.5 / 9 ≈ 1.9444 (rounded to four decimal places) 1.8 * 5.9 ≈ 10.62 (rounded to two decimal places)

4. Finally, add the results of the multiplications and divisions: 1.9444 + 10.62 ≈ 12.5644 (rounded to four decimal places)

So, the final result is approximately 12.5644.