What is scientific notation?
Multiplying and Dividing Scientific Notation

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•
Mathematics
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
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 typically in the form of a x 10^n, where 1 ≤ a < 10 and n is an integer.
2.
FLASHCARD QUESTION
Front
How do you convert a number to scientific notation?
Back
To convert a number to scientific notation, move the decimal point in the number until only one non-zero digit remains to its left. Count the number of places the decimal has moved; this will be the exponent of 10. If you moved the decimal to the left, the exponent is positive; if to the right, it is negative.
3.
FLASHCARD QUESTION
Front
What is the correct scientific notation for the number 20500?
Back
2.05 x 10^4
4.
FLASHCARD QUESTION
Front
What does a positive exponent in scientific notation indicate about the original number?
Back
A positive exponent indicates that the original number was a really big number.
5.
FLASHCARD QUESTION
Front
What does a negative exponent in scientific notation indicate about the original number?
Back
A negative exponent indicates that the original number was a really small number.
6.
FLASHCARD QUESTION
Front
How would you write the number 0.0005 in scientific notation?
Back
0.0005 can be written as 5 x 10^-4.
7.
FLASHCARD QUESTION
Front
What is the rule for multiplying numbers in scientific notation?
Back
When multiplying numbers in scientific notation, you multiply the coefficients and add the exponents.
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