physics Tool-kit 2

The standard SI unit of mass is the ...

• kilometer

• kilomole

• kilogram

• pound

If one were to divide 3.90 by 7.2, what would the answer be with the correct number of significant digits?

• 0.54

• 0.542

• 1

• 0.5417

The valid digits in a measurement are called _________

• uncertain digits

• significant digits

• powers of 10

• valid digits

Solve the following problem and express the answer in scientific notation: 4.75×10³ kg + 8.24×10³ kg

• 1.299x10³ kg

• 1.299×10⁴ kg

• 1299×10³ kg

• 12,990 kg

Convert 243 ng to its equivalent in kilograms

• 2.43×10^-10 kg

• 2.43×10^-11 kg

• 2.43×10⁹ kg

• 2.43×10^-7 kg

The multiplier for SI units with the prefix pico is __________

• 10^-15

• 10^-12

• 10^-9

• 10^-6

The multiplier for SI units with the prefix micro is __________

• 10^-15

• 10^-12

• 10^-9

• 10^-6

The SI base unit of length is the __________.

• foot

• meter

• kilometer

• candela

The multiplier for SI units with the prefix mega is __________

• 10⁶

• 10⁹

• 10¹²

• 10¹⁵

Convert 57.7 kg to grams.

• 5.77 x 10⁵ g

• 5.77×10³ g

• 5.77×10⁴ g

• 5.77×10⁶ g