review
Flashcard
•
Mathematics
•
8th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is scientific notation?
Back
A way of expressing numbers that are too large or too small to be conveniently written in decimal form, using powers of ten.
2.
FLASHCARD QUESTION
Front
How do you multiply numbers in scientific notation?
Back
Multiply the coefficients and add the exponents. Example: (3.4 x 10^5)(1.2 x 10^-3) = (3.4 * 1.2) x 10^(5 + (-3)) = 4.08 x 10^2.
3.
FLASHCARD QUESTION
Front
What is the result of (3.5 x 10^2) + (2.1 x 10^3)?
Back
2.45 x 10^3.
4.
FLASHCARD QUESTION
Front
How do you divide numbers in scientific notation?
Back
Divide the coefficients and subtract the exponents. Example: (8 x 10^6) / (2 x 10^2) = (8/2) x 10^(6 - 2) = 4 x 10^4.
5.
FLASHCARD QUESTION
Front
Write 0.00000707 in scientific notation.
Back
7.07 x 10^-6.
6.
FLASHCARD QUESTION
Front
What is the value of 'a' in the equation 7 + a/3 = 5?
Back
a = -6.
7.
FLASHCARD QUESTION
Front
What is the coefficient in the scientific notation 4.5 x 10^3?
Back
4.5.
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