Question

Find the exact value of the following.

Find -xy, for x = -75.9 and y = 2.6.
-xy =

Answer 1

197.34

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

1. Brackets
2. Parenthesis
3. Exponents
4. Multiplication
5. Division
6. Addition
7. Subtraction

• Left to Right

Explanation:

Step 1: Define

Identify

x = -75.9

y = 2.6

-xy

Step 2: Evaluate

1. Substitute in variables: -(-75.9)(2.6)
2. Multiply: (75.9)(2.6)
3. Multiply: 197.34