Scientific Notation Operations

Flashcard
•
Mathematics
•
7th - 9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is scientific notation?
Back
Scientific notation is a way of expressing numbers that are too large or too small to be conveniently written in decimal form. It is written as a product of a number (between 1 and 10) and a power of ten.
2.
FLASHCARD QUESTION
Front
How do you convert a decimal number to scientific notation?
Back
To convert a decimal number to scientific notation, move the decimal point to the right or left until you have a number between 1 and 10. Count the number of places you moved the decimal point; this will be the exponent of 10. If you moved it to the left, the exponent is positive; if to the right, it is negative.
3.
FLASHCARD QUESTION
Front
What is the scientific notation for 0.0005?
Back
5 x 10^-4
4.
FLASHCARD QUESTION
Front
How do you multiply numbers in scientific notation?
Back
To multiply numbers in scientific notation, multiply the coefficients (the numbers in front) and add the exponents of the powers of ten.
5.
FLASHCARD QUESTION
Front
What is the result of (2.1 x 10^2) × (3.0 x 10^4) in scientific notation?
Back
6.3 x 10^6
6.
FLASHCARD QUESTION
Front
How do you divide numbers in scientific notation?
Back
To divide numbers in scientific notation, divide the coefficients and subtract the exponent of the denominator from the exponent of the numerator.
7.
FLASHCARD QUESTION
Front
What is the result of (6.9 x 10^7) / (2.3 x 10^-3) in scientific notation?
Back
3 x 10^10
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