8th Grade Math Review Assessment 2

Front

What is scientific notation?

Back

A way of expressing numbers that are too large or too small to be conveniently written in decimal form, using powers of ten.

Front

How do you compare numbers in scientific notation?

Back

Compare the coefficients and the powers of ten. The number with the larger coefficient and/or larger power of ten is greater.

Front

Back

200,000,000.

Front

Back

8,000,000.

Front

How do you find the length of a segment given two points?

Back

Front

What is the formula for calculating hourly wage?

Back

Hourly Wage = Total Earnings / Total Hours Worked.

Front

What is the combined mass of Earth and the Moon in scientific notation?

Back

Front

Back

0.23 (repeating), or 0.\overline{23}.

Front

What is the process to convert a fraction to a decimal?

Back

Divide the numerator by the denominator.

Front

What does it mean for a number to be in simplest form?

Back

A fraction is in simplest form when the numerator and denominator have no common factors other than 1.