Ch. 2 Pt. 1

Front

What does PEMDAS stand for?

Back

PEMDAS stands for Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). It is the order of operations used to solve mathematical expressions.

Front

What is the first step in solving the expression 5 - 3 + 2?

Back

The first step is to perform the subtraction: 5 - 3 = 2, then add 2.

Front

What is the correct order of operations when evaluating expressions?

Back

The correct order is: 1) Parentheses, 2) Exponents, 3) Multiplication and Division (from left to right), 4) Addition and Subtraction (from left to right).

Front

Back

The answer is 6.

Front

Back

The answer is 27.

Front

What is the result of the expression 3[(4 + 6) ÷ 2]?

Back

The answer is 15.

Front

What is the error in the calculation: 5 - 3 + 2 = 5 - 5 = 0?

Back

The error is that addition was done first instead of subtraction.

Front

When does PEMDAS apply?

Back

PEMDAS applies when evaluating mathematical expressions that include multiple operations.

Front

Back

The result is 10.

Front

Back

The result is 12.