Question

Four students measured the volume of a liquid. Their results were 23.10 mL, 23.11 mL, 23.12 mL, and 23.13 mL. Which place value represents the uncertainty in their measurements?

Answer 1

Welcome to OpenStudy. Well, which number differs in the 3 readings?

Answer 2

tens place?

Answer 3

wait ones place i think

Answer 4

tenths place is the .1, which is the same in all of them. Think of it like usually the last digit is the one that is estimated= it isnt certain. its also the one that differs. its 1, 2, and 3

Answer 5

oh and 0

Answer 6

Take 23.11 for example. 2 is in tenths, 3 in ones, 1 is in 1/10ths and the last 1 is in 1/100ths

Answer 7

oh ok thank you!, so it's ones place since it's .11

Answer 8

Oh. Did I get the names wrong?

Answer 9

I'm not sure lol

Answer 10

Scratch what I said. Look at this http://www.mathatube.com/images/place-value-chart.gif and see which one is different in all 3 of those readings.

Answer 11

thank you very much! it help a lot so its the hundredths place the change.

Answer 12

yes, its the hundredths place

Answer 13

Thank you!

Answer 14

Yup. You're welcome.

Answer 15

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