A scientist measures the mass of a small particle as 3.5 x 10^-27 kg. Convert this mass to scientific notation if it is increased by 2.1 x 10^-27 kg. What is the new mass in scientific notation?
Mastering Scientific Notation: Add & Convert Like a Pro!

Quiz
•
English, Mathematics
•
6th Grade
•
Hard
Anthony Clark
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4.5 x 10^-27 kg
3.0 x 10^-27 kg
5.6 x 10^-27 kg
6.1 x 10^-27 kg
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The distance from Earth to a nearby star is approximately 4.2 x 10^16 meters. If another star is 3.8 x 10^16 meters away, what is the total distance to both stars in scientific notation?
4.0 x 10^16 meters
7.5 x 10^16 meters
9.0 x 10^16 meters
8.0 x 10^16 meters
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A virus can replicate itself 1.5 x 10^6 times in an hour. If it replicates for 2 hours, how many times will it replicate in total, expressed in scientific notation?
2.0 x 10^6
3.0 x 10^6
1.5 x 10^6
4.5 x 10^6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A computer processes 2.3 x 10^9 calculations per second. How many calculations does it process in 5 seconds? Provide your answer in scientific notation.
5.75 x 10^10
2.3 x 10^10
1.15 x 10^10
1.15 x 10^9
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The population of a small town is 1.2 x 10^5 people. If the population increases by 3.4 x 10^4 people, what is the new population in scientific notation?
1.8 x 10^5
1.2 x 10^5
1.4 x 10^5
1.54 x 10^5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A cell phone can store 5.6 x 10^3 songs. If a user adds 1.2 x 10^3 more songs, how many songs can the phone store in total, expressed in scientific notation?
7.8 x 10^3
5.6 x 10^3
6.8 x 10^3
6.0 x 10^3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A factory produces 4.5 x 10^2 toys each hour. How many toys does it produce in 24 hours? Provide your answer in scientific notation.
1.08 x 10^4
3.60 x 10^3
9.00 x 10^2
2.16 x 10^4
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