Scientific Notation Word Problems

Aria, Aiden, and Evelyn are working on a science project together. They need to measure the distance between two points in space. After some calculations, they find that the distance is 3.2 x 10^4 meters. Can you help them convert this distance into standard form?

• 3.2 x 10^4

• 32,000

• 32000

• 3.2 x 10^3

Noah, Sophia, and Anika are having a friendly competition to see who can calculate the total number of books in their school library the fastest. They found that there are 6.75 x 10^2 books. Convert this number to standard form.

• 675

• 6.75 x 10^1

• 6.75 x 10^3

• 6.75 x 10^2

Tags

CCSS.8.EE.A.3

Olivia, Aiden, and Daniel are having a friendly competition to see who can measure the concentration of a chemical in a solution accurately. The concentration is 9.8 x 10^-5 grams per liter. Can you help them find the concentration in standard form?

• 0.00098

• 0.0000098

• 0.000098

• 0.00098 x 10^5

Elijah, Ethan, and Mia are playing a game where they guess how much money Rohan has in his bank account. Rohan tells them he has 2.5 x 10^6 dollars. How much money does Rohan have in standard form?

• 250,000

• 2,500,000

• 25,000

• 2.5 x 10^6

Tags

CCSS.8.EE.A.3

Imagine this! Our friend Aria is a brilliant scientist and she is working on a super exciting project. She has two samples of a mysterious substance, each containing a different number of molecules. The first sample is buzzing with (4.2 x 10^3) molecules and the second sample is teeming with (3.5 x 10^2) molecules. Now, Aria is planning a party for these molecules by combining both samples. Can you guess how many molecules will be partying together?

• 1.47 x 10^3

• 1.47 x 10^5

• 1.47 x 10^4

• 1.47 x 10^6

Tags

CCSS.8.EE.A.4

James, Aria, and Luna are playing a game of 'Mad Scientist' and they need your help! They have two different substances in their pretend lab. The first substance, which James named 'Molecule Madness', has (7.8 x 10^4) molecules. The second substance, which Aria named 'Atomic Avalanche', has (2.5 x 10^3) molecules. Luna is in charge of combining the substances. Can you help Luna figure out how many total molecules there will be when she combines 'Molecule Madness' and 'Atomic Avalanche'?

• 195 x 10^6

• 195 x 10^8

• 195 x 10^9

• 19.5 x 10^7

Tags

CCSS.8.EE.A.4

Aria, Samuel, and Avery are working on a school project together. They have a budget of (6.4 x 10^5) dollars to spend on the project. They need to buy (8 x 10^2) items for their project. How much can they spend on each item?

• 0.8 x 10^2

• 0.8 x 10^3

• 0.8 x 10^4

• 8 x 10^2

Tags

CCSS.8.EE.A.4

Avery, Jackson, and Aria are having a baking competition! They have a total of (3.6 x 10^4) grams of flour and want to divide it equally into (4 x 10^3) small packets for their recipes. How many grams of flour will each packet contain?

• 0.9

• 0.09

• 0.009

• 9

Tags

CCSS.8.EE.A.4

Ava and her friends Ethan and Nora are comparing their savings account balances. Ava has a balance of (5.2 x 10^3) dollars, while Charlotte has a balance of (3.7 x 10^2) dollars. If they combine their savings, how much money will they have in total?

• 2.3 x 10^4

• 8.9 x 10^3

• 5.57 x 10^2

• 5.57 x 10^3

Tags

CCSS.8.EE.A.4

Anika, Kai, and Harper are playing a game where they pretend to have bank accounts. Anika has a balance of (1.2 x 10^5) dollars in her pretend bank account. She decides to withdraw (8.9 x 10^4) dollars to buy a toy for Michael. What is the remaining balance in her account after the purchase?

• -9.1 x 10^4

• 2.3 x 10^4

• -3.3 x 10^4

• -7.7 x 10^4

Tags

CCSS.8.EE.A.4