Operations with Scientific Notation

Flashcard
•
Mathematics
•
7th - 10th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is scientific notation?
Back
A way to express very large or very small numbers using powers of ten, in the form a x 10^n, where 1 ≤ a < 10 and n is an integer.
2.
FLASHCARD QUESTION
Front
How do you multiply numbers in scientific notation?
Back
Multiply the coefficients (the numbers in front) and add the exponents of the powers of ten.
3.
FLASHCARD QUESTION
Front
How do you divide numbers in scientific notation?
Back
Divide the coefficients and subtract the exponent of the denominator from the exponent of the numerator.
4.
FLASHCARD QUESTION
Front
What is the result of (3.4 x 10^5)(1.2 x 10^-3)?
Back
4.08 x 10^2.
5.
FLASHCARD QUESTION
Front
How do you find the combined mass of multiple items in scientific notation?
Back
Multiply the number of items by the mass of each item, both expressed in scientific notation.
6.
FLASHCARD QUESTION
Front
What is the combined mass of 5 x 10^3 paper clips each weighing 8 x 10^-4 kg?
Back
4 kg.
7.
FLASHCARD QUESTION
Front
How do you compare two numbers in scientific notation?
Back
Convert them to the same power of ten or compare their coefficients if the powers are the same.
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