Significant Figure Rules

Significant Figure Rules

100

True or False: 

Any number (excluding zero) is always significant.

What is true?

200

True or False:

Any zero stuck between two significant values are significant

What is True?

300

True or False: 

Trailing zeros are never significant

What is False?

400

True or False: 

Leading zeros, if after a decimal point, are significant

What is False?

500

There are many ways that a number, including zero can be significant. Provide two situations where this is NOT the case. 

What is when the zeros are at the end without being after a decimal point (trailing), and when the zeros are at the beginning regardless if there is a decimal point or not (leading)?

Counting # of S.F.

100

The number of sig figs in:

10.16

What is 4?

200

The number of sig figs in:

0.0052

What is 2?

300

The number of significant figures in:

1520.08

What is 6?

400

The number of significant figures in:

3,000

What is 1?

500

The number of significant figures in:

7,090,000.00

What is 9?

Scientific Notation

100

Write out the following number in its regular form.

6.03 x 10²

What is 603?

200

Write out the following number in regular form:

5.41 x 10^-5

What is 0.000541?

300

Write out the following number in scientific notation:

70,004,000,000

What is 7.0004 x 10¹⁰?

400

Write out the following number in scientific notation:

0.00000000000382

What is 3.82 x 10^-12?

500

Write out the following number in scientific notation:

4,030.50

What is 4.03050 x 10³?

Rounding

100

Round the following number to 4 significant figures:

14,355

What is 14,360?

200

Round the following number to 2 significant figures:

78.03

What is 78?

300

Round the following number to 6 significant figures:

0.000062506250

What is 0.0000625062?

400

Round the following number to 3 significant figures:

555.046

What is 555.0?

500

Round the number to 7 significant figures:

0.200003650089

What is 0.2000036?

MATH (+, -, x, /)

100

Solve the following problem, while paying attention to significant figures:

8.41 / 2.3 = 

What is 3.6?

200

Solve the following problem, while paying attention to significant figures:

0.085 x 0.007 =

What is 0.0006?

300

Solve the following problem, while paying attention to significant figures:

15.445 - 6.10 =

What is 9.34?

400

Solve the following problem, while paying attention to significant figures:

8.23468 + 0.078 = 

What is 8.313?

500

Solve the following problem, while paying attention to significant figures (Hint: Order of Operations FIRST):

(2.6+3.5) / (0.250) = 

What is 24?