What is the first step in rewriting 9 and 0.1 times 10 to the power of 8 to have the same power of 10 as 1 and 0.5 times 10 to the power of 9?
Adding and Subtracting Numbers in Scientific Notation (Part 2)

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Mathematics, Science
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4th - 6th Grade
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Subtract 1 from the exponent
Divide by 10
Multiply by 10
Add 1 to the exponent
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After rewriting the numbers, what is the result of subtracting 0.91 times 10 to the power of 9 from 1.5 times 10 to the power of 9?
1.41 times 10 to the power of 8
1.41 times 10 to the power of 9
0.59 times 10 to the power of 8
0.59 times 10 to the power of 9
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you adjust the decimal point to express 0.59 times 10 to the power of 9 in proper scientific notation?
Move the decimal point 2 places to the left
Move the decimal point 1 place to the right
Move the decimal point 2 places to the right
Move the decimal point 1 place to the left
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the power of 10 when you move the decimal point to the left in scientific notation?
The power of 10 doubles
The power of 10 increases
The power of 10 remains the same
The power of 10 decreases
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If you move the decimal point to the right three times, what adjustment should be made to the exponent in scientific notation?
Decrease the exponent by 1
Increase the exponent by 3
Increase the exponent by 1
Decrease the exponent by 3
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