210k views
2 votes
The ideal length of a particular metal rod is 30.5 cm. The measured length may vary from the ideal length by at most 0.015 cm. What is the range of acceptable lengths for the rod?

2 Answers

3 votes
The rod may be 30.5 +- 0.015
30.5 + 0.015 = 30.515
30.5 - 0.015 = 30.485
The range of acceptable lengths is 30.485 to 30.515 cm
User LearnOPhile
by
7.3k points
1 vote

so how would you write the answer

User DeckyFx
by
7.8k points