Adding and Subtracting with Scientific Notation

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 add numbers in scientific notation?

Back

Align the exponents. If they are different, convert one number to have the same exponent as the other, then add the coefficients.

Tags

CCSS.8.EE.A.4

Front

How do you subtract numbers in scientific notation?

Back

Align the exponents. If they are different, convert one number to have the same exponent as the other, then subtract the coefficients.

Tags

CCSS.8.EE.A.4

Front

What is the general form of scientific notation?

Back

A number expressed as a product of a coefficient (between 1 and 10) and a power of ten, e.g., a x 10^n.

Tags

CCSS.8.EE.A.3

Front

What is the coefficient in scientific notation?

Back

The number in front of the power of ten, which must be greater than or equal to 1 and less than 10.

Tags

CCSS.8.EE.A.3

Front

What does the exponent in scientific notation indicate?

Back

The exponent indicates how many places to move the decimal point. A positive exponent means to move right, and a negative exponent means to move left.

Tags

CCSS.8.EE.A.3

Front

Convert 0.00056 to scientific notation.

Back

5.6 x 10^-4.

Front

Convert 450000 to scientific notation.

Back

4.5 x 10^5.

Tags

CCSS.8.EE.A.3

Front

What is the sum of (2.5 x 10^3) + (3.5 x 10^3)?

Back

6.0 x 10^3.

Tags

CCSS.8.EE.A.4

Front

What is the difference of (5.0 x 10^4) - (2.0 x 10^4)?

Back

3.0 x 10^4.

Tags

CCSS.8.EE.A.4