Question

Using the rules for significant figures, what do you get when you multiply 67.6 by 1.2?
8
81
81.1
81.12

Answer 1

First off, multiply the two numbers together. Tell me what you get.

Answer 2

ok hold on

Answer 3

The answer is E. Use a Calculator

Answer 4

there is no e

Answer 5

Um, there is no E. But 81.12 is correct

Answer 6

I got 81.12

Answer 7

^yep :)

Answer 8

it was wrong

Answer 9

how?

Answer 10

I don't know lol

Answer 11

You should include all the significant figures, which would be 81.12, unless the teacher specially states to round to a certain amount

Answer 12

I think you should argue it to your teacher

Answer 13

lol maybe

Answer 14

Mary walked north from her home to Sheila's home, which is 4.0 kilometers away. Then she turned right and walked another 3.0 kilometers to the supermarket, which is 5.0 kilometers from her own home. She walked the total distance in 1.5 hours. What were her average speed and average velocity?

Answer 15

Average speed: \(\Large\frac{4+3}{1.5}\)
Average velocity: \(\Large \frac{5}{1.5}\)