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.

Tags

CCSS.8.EE.A.3

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.

Tags

CCSS.8.EE.A.3

Front

Convert 0.000009 to scientific notation.

Back

9 x 10^-6

Tags

CCSS.8.EE.A.3

Front

What is the scientific notation for the number 90?

Back

9 x 10^1

Tags

CCSS.8.EE.A.3

Front

How do you order numbers in scientific notation?

Back

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

Tags

CCSS.8.EE.A.3

Front

What is the square root of a number?

Back

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

Tags

CCSS.8.EE.A.2

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.

Tags

CCSS.8.NS.A.2

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.

Tags

CCSS.8.EE.A.3

Front

How do you express 2π in decimal form?

Back

Approximately 6.283.