Unit 1 Chem Review

How many sig figs does this number have?

3.455

• 3

• 4

• 5

• 2

How many sig figs does this number have?

0.0045

• 2

• 5

• 4

• 3

How many sig figs does this number have?

2,500,000

• 2

• 5

• 25

• 7

How many sig figs does this number have?

2,500,000.

• 2

• 5

• 25

• 7

How many sig figs does this number have?

0.040500

• 2

• 3

• 5

• 6

Please round this number to 3 sig figs. . . .

14.5930

• 15.0

• 14.6

• 14.59

• Leave it how it is

Please round this number to 3 sig figs. . .

234.529

• 234

• 234.5

• 235

• 240

Please round this number to 3 sig figs. . .

98.976

• 99.0

• 98.9

• 99.9

• 98

Please round this number to 3 sig figs. . .

45,679

• 456

• 457

• 45,700

• 45,600

Please round this number to 3 sig figs. . .

2,530

• 253

• 254

• 2,530.

• Leave it the way it is