TSI review 1

Front

What is the formula to calculate a percentage of a number?

Back

To calculate a percentage of a number, use the formula: (Percentage / 100) * Total Number.

Front

What is 12% of 40?

Back

4.8

Front

What does it mean to simplify an expression with negative exponents?

Back

Simplifying an expression with negative exponents involves rewriting the expression so that all exponents are positive.

Front

Back

12x^5

Front

What is the order of operations in mathematics?

Back

The order of operations is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right), often abbreviated as PEMDAS.

Front

Calculate 2 + (9^2 - 4).

Back

79

Front

What is the solution for x in the equation 5x - 15 = 5?

Back

x = 20

Front

If Cary spent 85% of $20.00, how much money does she have left?

Back

Cary's dad gets back $3.00.

Front

What is the formula for calculating the remaining amount after spending a percentage?

Back

Remaining Amount = Total Amount - (Percentage Spent / 100) * Total Amount.

Front

Back

81