J-Significant Figures

Why are significant figures important.

• They are important because the numbers in the answer can not be more precise than the numbers in the problem.

• They are important because the numbers in the problem cannot be more precise than the numbers in the question.

• They are important because chemistry is a difficult subject and is demands precision.

Non-zero digits are always _________.

• insignificant

• significant

• None of the above

Any zeros between two significant digits are __________.

• significant

• insignificant

• None of the above

Tags

CCSS.8.EE.A.3

A final zero or trailing zeros in the decimal portion ONLY are significant .

• True

• False

Leading zeros are NOT significant. ...

• True

• False

Trailing zeros in a whole number with the decimal shown ARE __significant.

• are significant

• are not significant

• none of the above

How many significant figures are in 990021

• 4

• 5

• 6

• none

Tags

CCSS.8.EE.A.4

How many significant figures are in 100.01

• 4

• 5

• 6

• None

Tags

CCSS.8.EE.A.4

How many significant figures are in 09.001

• 2

• 3

• 4

• None

How many significant figures are in 25.00000000001

• 3

• 13

• 21