QUIZ: Significant Figures

How many significant figures in the number 40,000 ?

• 1

• 5

• 2

• 3

How many significant figures in the number 0.00500?

• 1

• 3

• 5

• 6

Identify the number of significant figures in 9.900 x 10³ ?

• 1

• 2

• 4

• 7

Identify the number of significant figures in 330,000. ?

• 2

• 3

• 5

• 6

Add 5.900 + 0.80 and report the answer with the correct number of significant figures.

• 6.7

• 6.70

• 7

• 6.700

Subtract. Use significant figures. 45.800 - 31

• 14.8

• 14.800

• 15

• 15.000

Solve this. Use significant figures. 15.0 x 8

• 120

• 120.

• 100

• 100.

Divide. Use significant figures. 78,000. / 4.20

• 18,600

• 18,571

• 186

• 19,000

Put the number 93,000.0 in scientific notation.

• 9.3 x 10⁴

• 93 x 10³

• 9.3000 x 10⁴

• 9.30000 x 10⁴

The number 0.007800 in scientific notation is _______.

• 7.800 x 10^-3

• 7.8 x 10^-3

• 78 x 10^-4

• 7.800 x 10³