Unit Conversions
Convert 0.0032 meters into millimeters.
What is 3.2mm
Write 47,200 in scientific notation.
What is 4.72 × 10^4
Multiply: (2 × 10^3) × (3 × 10^2).
what is 6 × 10^5
What SI base unit is used for mass?
What is kilogram (kg)
A meter stick shows a length of 0.75 m. How many centimeters is this?
75 cm
Convert 5.6 × 10^3 grams into kilograms.
What is 5.6 kg
Write 0.000081 as scientific notation.
What is 8.1 × 10^-5
Divide: (9 × 10^-4) ÷ (3 × 10^-2)
What is 3 × 10^-2
Convert 0.02 kilograms to grams.
What is 20 g
Three masses are listed: 2500 g, 2.5 kg, and 0.0025 Mg. Which of these represent the same mass?
0.0025mg
A lab measurement is 2.5 × 10^-3 kilometers. Express this distance in meters.
What is 2.5 m
Express 3.6 × 10^4 as a standard decimal.
What is 36,000
Add: (4.5 × 10^3) + (3.2 × 10^2). Give answer in scientific notation.
What is 4.82 × 10^3
List the SI prefix meaning for nano-, micro-, and kilo- with their powers of ten.
what is nano- = 10^-9; micro- = 10^-6; kilo- = 10^3
Divide the two numbers and write the result in scientific notation: (7.0 × 10^2) ÷ (3.0 × 10^1)
What is 2.333... × 10^1.
Convert 45 microseconds to seconds and express in scientific notation.
What is 4.5 × 10^-5 s
A star’s mass is 1.989 × 10^30 kg. Write this value in words and explain what the exponent indicates.
What is one point nine eight nine times ten to the thirtieth kilograms.
Multiply and express in correct scientific notation: (6.2 × 10^5) × (4.8 × 10^-3)
what is 2.976 × 10^3.
A battery’s charge is measured in coulombs. Identify the SI base or derived unit for electric current and relate it to coulombs.
What is
1 A=1 C/s
A beaker holds 0.00045 m^3 of water. Express this volume in liters using scientific notation.
What is 4.5 × 10^-1 L
A rectangular sample is 0.00072 m by 3.4 × 10^-2 m. Calculate the area in square meters and give your answer in scientific notation.
What is 2.45 × 10^-5
Explain why 0.0 is not valid in normalized scientific notation and give the normalized scientific notation for 6000.
0.0 is not valid normalized scientific notation because normalized form requires one nonzero digit before the decimal point. 6000 = 6.0 × 10^3
((2.5 × 10^6) ÷ (5 × 10^-2)) + (1.2 × 10^4). Give final answer in scientific notation.
What is 5.00 × 10^7
A measured volume is 3.2 L. Convert to cubic meters (m^3) and express in scientific notation.
What is 3.2 × 10^-3 m^3
A sample has density 3.2 × 10^3 kg/m^3 and volume 4.0 × 10^-6 m^3. Find the mass in kilograms and express your answer in scientific notation.
What is 1.28 × 10^-2 kg