8th Math Week 1 Flashcard

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

Convert 57,190,000 km to scientific notation.

Back

5.719 x 10^7

Front

What is the formula to convert Fahrenheit to Celsius?

Back

C = (F - 32) × 5/9

Front

Convert 42.7°F to Celsius.

Back

5.94°C

Front

What is the mode of a set of numbers?

Back

The number that appears most frequently in a data set.

Front

Find the mode of the numbers: 3, 4, 5, 5, 5, 6, 7.

Back

5

Front

What is a rational number?

Back

A number that can be expressed as a fraction, where both the numerator and denominator are integers.

Front

What is an irrational number?

Back

A number that cannot be expressed as a simple fraction, and its decimal representation is non-repeating and non-terminating.

Front

Is the square root of 2 rational or irrational?

Back

Irrational

Front

What is the formula to convert Celsius to Fahrenheit?

Back

F = (C × 9/5) + 32