Physics I Ch 1 Measurement, Uncertainty, Sig Figs, Conversions.

0.0068 in powers of ten

To convert from ft^2 to yd^2 you should

• multiply by 3

• multiply by 1/3

• multiply by 9

• multiply by 1/9

Four students use different instruments to measure the length of the same pen. Whoch instrument implies the greatest accuracy?

• 160.0 mm

• 16.0 cm

• 0.160 m

• 0.00016 km

How many sig figs does 1.362 + 25.2 have?

• 2

• 3

• 4

• 5

• 21.29%

• 25%

• 4.6%

• 0.046%