Scientific Notation and Significant Figures

Flashcard
•
Chemistry
•
10th - 12th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is scientific notation?
Back
A method of expressing numbers as a product of a coefficient and a power of 10, typically in the form 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
Move the decimal point in the number until only one non-zero digit remains to the left. Count the number of places moved; this becomes the exponent of 10.
3.
FLASHCARD QUESTION
Front
Convert 0.0005 to scientific notation.
Back
5 x 10^-4
4.
FLASHCARD QUESTION
Front
Convert 23400 to scientific notation.
Back
2.34 x 10^4
5.
FLASHCARD QUESTION
Front
What is the common notation for 7.89 x 10^-8?
Back
0.0000000789
6.
FLASHCARD QUESTION
Front
How many significant figures are in 4.56 x 10^3?
Back
3
7.
FLASHCARD QUESTION
Front
What are significant figures?
Back
Digits in a number that contribute to its precision, including all non-zero digits, zeros between significant digits, and trailing zeros in the decimal portion.
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