
Mastering Significant Figures in Scientific Notation

Interactive Video
•
Mathematics, Science, Physics
•
9th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What part of a number in scientific notation do we focus on to determine the number of significant figures?
The entire number
The base
The exponent
The mantissa
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the number 7.100 x 10^-8, how many significant figures are present?
Five
Four
Three
Two
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When dividing 2.0 x 10^12 by 8.33 x 10^8, what is the first step in handling significant figures?
Divide the mantissas
Multiply the mantissas
Add the exponents
Subtract the exponents
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you adjust the exponent when moving the decimal place to the right in scientific notation?
Double the exponent
Keep the exponent the same
Increase the exponent
Decrease the exponent
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What must be true about the powers of ten when adding or subtracting numbers in scientific notation?
They must be different
They must be the same
They must be negative
They must be zero
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In addition and subtraction, which number determines the rounding of significant figures?
The number with the most decimal places
The smallest number
The number with the fewest decimal places
The largest number
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the exponent when you move the decimal place to the left in scientific notation?
It becomes zero
It stays the same
It increases
It decreases
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