Scientific Notation Operations

Flashcard
•
Mathematics
•
7th - 9th Grade
•
Hard
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14 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. For example, 3000 can be written as 3 x 10^3.
2.
FLASHCARD QUESTION
Front
How do you add numbers in scientific notation?
Back
Align the powers of ten. If necessary, convert one number to have the same exponent as the other, then add the coefficients.
3.
FLASHCARD QUESTION
Front
How do you subtract numbers in scientific notation?
Back
Align the powers of ten. Convert one number to have the same exponent as the other, then subtract the coefficients.
4.
FLASHCARD QUESTION
Front
What is the product of two numbers in scientific notation?
Back
Multiply the coefficients and add the exponents. For example, (2 x 10^3)(3 x 10^2) = 6 x 10^(3+2) = 6 x 10^5.
5.
FLASHCARD QUESTION
Front
What is the quotient of two numbers in scientific notation?
Back
Divide the coefficients and subtract the exponents. For example, (6 x 10^5) / (2 x 10^2) = 3 x 10^(5-2) = 3 x 10^3.
6.
FLASHCARD QUESTION
Front
What is the value of 1 x 10^0?
Back
1, because any number raised to the power of zero is 1.
7.
FLASHCARD QUESTION
Front
How do you convert a number from standard form to scientific notation?
Back
Move the decimal point to create a number between 1 and 10, then count the number of places moved to determine the exponent.
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