Unit 1: The Practice of Science

Express the following number in scientific notation: 0.000000292m

• 0.292 x 10⁶

• 2.92 x 10^-7

• 2.92 x 10⁷

• 0.292 x 10^-6

Express the following number in scientific notation: 7,365,200m.

• 73.652 x 10⁵

• 7.3652 x 10^-6

• 7.3652 x 10⁶

• 0.73652 x 10⁶

How many significant figures are in 0.0065010?

• 7

• 6

• 5

• 4

How many significant figures are in 20010?

• 5

• 4

• 3

• 2

Add and give the correct number of sig figs: 5.67 + 4.2 + 7.331

• 17.201

• 17.20

• 17.2

• 17

Multiply and give the correct number of sig figs: 5.20 x 6.03 x 12.879

• 404

• 403.8

• 408.83

• 403.834

Which of the following is expressed in 3 sig figs?

• 100

• 1.002

• 1.0

• 1.02

What is the metric unit of mass?

• Joule

• liter

• kilogram

• meter

Tags

NGSS.HS-PS1-7

A student measures 28mL but the correct volume is 25mL. What is their percent error?

• 12%

• -12%

• 3%

• -3%

What is the main advantage of the metric system?

• has more units

• comes from nature

• it is scientific

• Multiples of 10