11 - Significant Figures and Notation - Sept 13

How many significant figures are in the number 0.004560?

• 3

• 4

• 5

• 6

Identify the number of significant figures in 7.890 × 10².

• 2

• 3

• 4

• 5

What is the result of adding 12.11 and 0.0345 with the correct number of significant figures?

• 12.1445

• 12.145

• 12.14

• 12.1

Calculate the result of subtracting 45.6 from 123.45 with the correct number of significant figures.

• 77.85

• 77.8

• 77.9

• 78

Multiply 3.2 by 4.56 and express the answer with the correct number of significant figures.

• 14.592

• 14.59

• 14.6

• 15

Divide 0.00456 by 0.12 and express the answer with the correct number of significant figures.

• 0.038

• 0.0380

• 0.03800

• 0.038000

Convert 0.000567 to scientific notation.

Convert 3.45 × 10⁵ to standard notation.

• 345000

• 34500

• 3450

• 345

How many significant figures are in the measurement 0.0078900?

• 4

• 5

• 6

• 7

What is the result of adding 0.0034 and 2.1 with the correct number of significant figures?

• 2.1034

• 2.10

• 2.1

• 2.103