Unit 2 Test
Flashcard
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
If your error is negative, this means that your actual value is (greater/less) than the accepted value.
Back
less
2.
FLASHCARD QUESTION
Front
When adding or subtracting numbers in scientific notation, what must be true?
Back
The exponents must be equal before you can solve the problem.
3.
FLASHCARD QUESTION
Front
Calculate: 10.1 + 3.4 + 1.22 = ?
Back
14.7
4.
FLASHCARD QUESTION
Front
Calculate: (6.73x10^3) + (1.3x10^4) = ?
Back
1.97 x 10^4
5.
FLASHCARD QUESTION
Front
Calculate: 7.34 + 1.5 + 3.22 + 1.23 = ?
Back
13.3
6.
FLASHCARD QUESTION
Front
What is scientific notation?
Back
A way of expressing numbers that are too big or too small to be conveniently written in decimal form.
7.
FLASHCARD QUESTION
Front
What is the purpose of using scientific notation?
Back
To simplify calculations and express very large or very small numbers more easily.
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