Scientific Notation Operations
Interactive Video
•
Lucas Foster
•
Mathematics, Science
•
6th - 8th Grade
•
Hard
17:29
10 questions
Show answers
1.
Multiple Choice
What is the key requirement for adding or subtracting numbers in scientific notation?
The numbers must be positive.
The numbers must have the same base.
The numbers must be integers.
The numbers must have the same exponent.
2.
Multiple Choice
When adding 3.4 x 10^2 and 4.57 x 10^3, what should be done first?
Align the exponents to be the same.
Subtract the smaller exponent from the larger one.
Add the coefficients directly.
Multiply the exponents.
3.
Multiple Choice
In the example of adding 1.2 x 10^5 and 5.35 x 10^6, what is the result after aligning the exponents?
5.47 x 10^5
6.55 x 10^6
6.55 x 10^5
5.47 x 10^6
4.
Multiple Choice
How do you handle a negative exponent when adding numbers in scientific notation?
Align the exponents as usual.
Ignore the negative sign.
Add the exponents together.
Convert the negative exponent to a positive one.
5.
Multiple Choice
What is the first step in subtracting 3.67 x 10^2 from 1.6 x 10^1?
Subtract the coefficients directly.
Align the exponents to be the same.
Multiply the coefficients.
Divide the exponents.
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