Scientific Notation - Forms/ Rules/ Multiply/ Divide
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
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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, 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 from scientific notation to standard form?
Back
Multiply the coefficient (a) by 10 raised to the power of n. For example, 3.5 x 10^4 = 35000.
3.
FLASHCARD QUESTION
Front
What is the standard form of 7.8 x 10^-3?
Back
0.0078
4.
FLASHCARD QUESTION
Front
How do you write a small decimal number in scientific notation?
Back
Move the decimal point to the right until you have a number between 1 and 10, and count the number of places moved as a negative exponent. For example, 0.00000707 = 7.07 x 10^-6.
5.
FLASHCARD QUESTION
Front
What is the simplified version of 3.9 x 10^6?
Back
4 x 10^6.
6.
FLASHCARD QUESTION
Front
How do you multiply numbers in scientific notation?
Back
Multiply the coefficients and add the exponents. For example, (2 x 10^9)(4 x 10^-4) = 8 x 10^(9-4) = 8 x 10^5.
7.
FLASHCARD QUESTION
Front
What is the result of (9.6 x 10^3) x (6.7 x 10^2)?
Back
6.432 x 10^6.
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