Step-by-step explanation:
PEMDAS known as Please Excuse My Dear Aunt Sally is an acronym used to remember order of operations in mathematics.
P stands for parentheses
E stands for exponents
M stands for multiplication
D stands for Division
A stands for Addition
S stands for Subtraction
An example using PEMDAS
6+20×(2+7)-4
Apply PEMDAS step by step
- Solve the parentheses : (2+7) = 9
- Multiply : 20×9 = 90
- Add : 6+90 = 96
- Subtract : 96-4 = 92
Therefore the answer is 92
