Insert grouping symbols in the proper place so that the given value of the expression is

obtained.

5-3.2+8.5-2;28

I tried it different times and I got 30, so I give up, I need help please. Thanks!

Is the decimal point in 3.2 and 8.5 supposed to indicate multiplication?

If so, you should use another symbol such as x or *.

[(5-3)*2] + 8*(5 -2)= 4 + 24 = 28

To obtain the given value of 28, you can use grouping symbols to properly group the numbers and perform the operations in the correct order. Let's break it down step by step:

1. Start with the expression: 5 - 3.2 + 8.5 - 2
2. Since there are no grouping symbols indicated in the given expression, it's important to determine the correct order of operations (also known as the PEMDAS rule or BODMAS rule). This rule specifies that you should perform operations inside parentheses or brackets first, followed by exponents, then multiplication and division (from left to right), and finally addition and subtraction (from left to right).
3. In this case, let's assume the decimal point in 3.2 and 8.5 indicates multiplication, and we need to insert grouping symbols to ensure the correct order of operations.
4. The expression can be rewritten as follows, using square brackets [] for grouping symbols:

[(5 - 3) * 2] + [8 * (5 - 2)]

5. Now, let's simplify the expression within the grouping symbols:

[(5 - 3) * 2] + [8 * 3]
[2 * 2] + [8 * 3]

6. Perform the remaining multiplications and additions:

4 + 24 = 28

So, by inserting grouping symbols as explained above, the expression evaluates to 28, matching the given value.