SCIENTIFIC NOTATION

Front

What is scientific notation?

Back

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

Tags

CCSS.8.EE.A.3

Front

What does the exponent in scientific notation indicate?

Back

The exponent indicates how many places the decimal point has been moved. A positive exponent means the number is large, while a negative exponent means the number is small.

Tags

CCSS.8.EE.A.3

Front

How do you convert a large number to scientific notation?

Back

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

Tags

CCSS.8.EE.A.3

Front

How do you convert a small number to scientific notation?

Back

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

Tags

CCSS.8.EE.A.3

Front

What is the scientific notation for 5000?

Back

5 x 10^3.

Tags

CCSS.8.EE.A.3

Front

What is the scientific notation for 0.00023?

Back

2.3 x 10^-4.

Tags

CCSS.8.EE.A.3

Front

Is 3.5 x 10^2 in scientific notation?

Back

Yes, it is in scientific notation.

Tags

CCSS.8.EE.A.3

Front

Is 10 x 10^3 in scientific notation?

Back

No, because the number in front (10) is not between 1 and 9.9.

Tags

CCSS.8.EE.A.3

Front

What is the largest number among 7 x 10^5, 6 x 10^6, and 5 x 10^4?

Back

6 x 10^6.

Tags

CCSS.6.EE.A.1

Front

What does it mean if a number is written as 1.2 x 10^0?

Back

It means the number is 1.2, since any number to the power of 0 is 1.

Tags

CCSS.8.EE.A.3