
Mastering Operations with Significant Figures

Interactive Video
•
Chemistry
•
6th - 10th Grade
•
Hard

Amelia Wright
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the location of the decimal point important in addition and subtraction?
It is used to convert between different units.
It determines the number of significant figures in the result.
It affects the overall value of the numbers.
It helps in identifying the units of measurement.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When adding 123.62 meters and 8.9 meters, what is the correct result with significant figures?
132.52 meters
132.5 meters
132.6 meters
132.62 meters
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the subtraction of 15.3 seconds and 5.1 seconds, why is the result rounded to the tenths place?
Because the tenths place is the most significant decimal place in the first number.
Because the tenths place is the least significant decimal place in the second number.
Because the tenths place is the most significant decimal place in the second number.
Because the tenths place is the least significant decimal place in the first number.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct result of adding 520 kilograms and 13 kilograms with significant figures?
533 kilograms
540 kilograms
520 kilograms
530 kilograms
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When adding 0.181 kilograms and 0.3 kilograms, why is the result rounded to the tenths place?
Because the tenths place is the most significant decimal place in the first number.
Because the tenths place is the least significant decimal place in the second number.
Because the tenths place is the most significant decimal place in the second number.
Because the tenths place is the least significant decimal place in the first number.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When multiplying or dividing, how do you determine the number of significant figures in the result?
By adding the significant figures of both numbers.
By averaging the significant figures of both numbers.
By using the number with the fewest significant figures.
By using the number with the most significant figures.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct result of multiplying 3.4 meters and 5.234 meters with significant figures?
17.80 square meters
17.8 square meters
18 square meters
17.7956 square meters
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