Final Exam: REVIEW: Practice #1: "Numerical Relationships"

Front

What is scientific notation?

Back

Scientific notation is a way of expressing numbers that are too large or too small to be conveniently written in decimal form. It is written as a product of a number (between 1 and 10) and a power of 10.

Front

Convert 48,000,000,000 to scientific notation.

Back

4.8 × 10^{10}

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a proper fraction.

Front

Convert 15.3 to a mixed number.

Back

15 \frac{3}{10}

Front

What is the area of a square?

Back

The area of a square is calculated by squaring the length of one of its sides: Area = side × side.

Front

If the area of a square pool is 121 square feet, what is the length of one side?

Back

The length of one side is 11 feet, since 11 × 11 = 121.

Front

What is the formula for the perimeter of a square?

Back

The perimeter of a square is calculated as: Perimeter = 4 × side.

Front

If a deck is built around a pool that is 11 feet on each side, and the deck is 7 feet wide, what is the outside perimeter of the deck?

Back

The outside perimeter is 100 feet.

Front

What is the difference between a proper fraction and an improper fraction?

Back

A proper fraction has a numerator smaller than its denominator, while an improper fraction has a numerator larger than or equal to its denominator.

Front

Convert the improper fraction 15/3 to a mixed number.

Back

5.