Grade 8 Math Scientific Noation

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 convert a small decimal number to scientific notation?

Back

Move the decimal point to the right until you have a number between 1 and 10, and count the number of places moved. The exponent will be negative.

Front

Convert 0.000009 to scientific notation.

Back

9 x 10^-6

Front

What is the scientific notation for the number 90?

Back

9 x 10^1

Front

How do you order numbers in scientific notation?

Back

Convert all numbers to decimal form or compare their exponents and coefficients.

Front

What is the square root of a number?

Back

A value that, when multiplied by itself, gives the original number.

Front

If the square root of a number is between 7 and 8, what could the number be?

Back

Any number between 49 (7^2) and 64 (8^2), such as 51.

Front

Solve for x: 150 + 25x = 55x.

Back

x = 5

Front

What does a negative exponent indicate in scientific notation?

Back

It indicates that the number is a fraction, specifically 1 divided by the base raised to the absolute value of the exponent.

Front

How do you express 2π in decimal form?

Back

Approximately 6.283.