SIGNIFICANT FIGURES
ROUNDING SIGNIFICANT FIGURES
SCIENTIFIC NOTATION
EXPONENTS
100

How many significant figures are in the following number:

12345

5

100

Round the following to the indicated significant figures:

10432 to 3 significant figures

104000

100

How do you write the following number in scientific notation:

3 x 100

3 x 102

100

Simplify the expression below (no need to calculate):

(23 : 32)3

29/36

200

How many significant figures are in the following number:

140.58

5

200

Round the following to the indicated significant figures:

2.4983 to 3 significant figures

2.50

200

How do you write the following number in scientific notation:

4.5 x 10000

4.5 x 104

200

Simplify:

(x-3)-2

x6

300

How many significant figures are in the following number:

101010.1

7

300

Round the following to the indicated significant figures:

0.006037736 to 2 significant figures

0.0060

300

How do you write the following number in scientific notation:

7 : 100

7 x 10-2

300

Simplify:

(ux+3): ux+1

u2x+8

400

How many significant figures are in the following number:

34.10

4

400

Round the following number to 1 significant figure:

1.909

2

400

How do you write the following number in scientific notation:

6.23 : 103 

6.23 : 10-3

400

Simplify:

x2z-3 . (xz2)2 

x4z

500

How many significant figures are in the following number:

732900

4 (there is no bar above the zeros)

500

Round the following number to 3 significant figures:

63960

64000

500

How do you write the following number in scientific notation:

777.7 x 10000

7.777 x 106

500

Write as a power of 3:

3m . 27. 9-m

32m