Powers of ten and scientific notation
Grade 7 Math Worksheet
Circle the best answer, or write your answer on the line.
A cartoon on TV was watched 10^8 times, and Noah saw it twice. How many times was it watched?
Pia eats 10^-1 of a pizza, which is one slice out of ten. The crust goes first. What decimal part of the pizza is that?
A snowflake weighs about 10^-6 kg, and Tala watched one land on a window. How many kilograms is that, written as a decimal?
A volcano is about 3.8 × 10^3 m tall, and Ari wants to climb it. How many meters is that?
A raindrop is about 4.5 × 10^-3 m wide, and Esme caught one on a mitten. How many meters is that, written as a decimal?
A guitar string is about 7.2 × 10^-4 m thick, and Kira tunes it with a squeak. How many meters is that, written as a decimal?
A spacecraft traveled 640,000 km, and Milo cheered at the launch. How do you write 640,000 in scientific notation?
A region on Noah's map has 7,300,000 people. How do you write 7,300,000 in scientific notation?
Ren reads three distances in meters on a map. Which distance is the greatest?
- 9.9 × 10^5
- 8 × 10^4
- 1.5 × 10^6
Zee writes three measurements in meters on paper. Which measurement is the least?
- 2 × 10^-3
- 5 × 10^-2
- 7 × 10^-4