Scientific Notation

Front

What is scientific notation?

Back

A way to express very large or very small numbers using powers of ten. It is written in the form a x 10^n, where 1 ≤ a < 10 and n is an integer.

Tags

CCSS.8.EE.A.3

Front

How do you convert a number to scientific notation?

Back

Move the decimal point in the number until only one non-zero digit remains to the left. Count the number of places moved; this becomes the exponent of 10.

Tags

CCSS.8.EE.A.3

Front

Convert 1001 to scientific notation.

Back

1.001 x 10^3

Front

What is the standard form of 9.8 x 10^-5?

Back

0.000098

Front

Convert 0.000972 to scientific notation.

Back

9.72 x 10^-4

Front

Which is smaller: 8.7 x 10^3 or 9 x 10^2?

Back

9 x 10^2 is smaller.

Tags

CCSS.8.EE.A.4

Front

How do you write 0.0005 in scientific notation?

Back

5 x 10^-4

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 move to the right, and a negative exponent means move to the left.

Tags

CCSS.8.EE.A.3

Front

What is the standard form of 1.5 x 10^2?

Back

150

Front

How do you compare numbers in scientific notation?

Back

Compare the exponents first. The number with the larger exponent is greater. If exponents are the same, compare the coefficients.

Tags

CCSS.8.EE.A.3