Review for the Final Exam in Math, Fall 2023

Front

What is the sum of (-66.31) and (-23.64)?

Back

-89.95

Front

What is 12.09 + (-7.03)?

Back

5.06

Front

What is the opposite (additive inverse) of 25?

Back

-25

Front

Which fraction is equivalent to 4.1, 0.5, 1.4, or 0.25?

Back

0.25

Front

What is -32.9 - 1.1?

Back

-34

Front

What is the definition of an additive inverse?

Back

The additive inverse of a number is the value that, when added to the original number, results in zero.

Front

What is the result of adding two negative numbers?

Back

The result is always a negative number.

Front

What is the result of adding a positive number to a negative number?

Back

The result depends on the absolute values of the numbers; if the positive number is larger, the result is positive, otherwise, it is negative.

Front

What is the definition of equivalent fractions?

Back

Fractions that represent the same value or proportion, even though they have different numerators and denominators.

Front

How do you convert a decimal to a fraction?

Back

Write the decimal as a fraction with a denominator of 1, then multiply the numerator and denominator by 10 for each digit after the decimal point.