35 terms

shuntemannTEACHER

654.7000

7

282000

3

9873

4

67.8000

6

55.000

5

900

1

987009

6

0.009

1

0.008270

4

7.0700 e-4

5

6472.0

5

98090

4

52.4500

6

4.105200 e 8

7

9800

2

9.904

4

3465.0

5

2.90 e 4

3

0.2000

4

7200.00

6

Change 72000 so that it has 3 sig figs

7.20 e4

1.99 so it has 2 sig figs

2.0

Chang165780000 so that is have 4 sig figs

1.658 e 8

1.2 x 11.3 x 13.56 / 19.393 = answer should have how many sig figs

2

When do captive zeros count

Always

When do trailing zeros count?

Only when the number contains a decimal point

Convert 15000 so that is has three sig figs

1.50 e 4

Convert 0.0056301 so that it has 3 sig figs

5.63 e-3

Do leading zeros count if there is a decimal.

No, leading zeros never count

How may sig figs are in 1.090 e-18

4

How many sig figs are in 5.0000 e -5

5

Which number in a measurement is always the estimated number?

The last.

Is the estimated number significant

yes

Which is a more precise measurement, 5.6 or 5.60?

5.60 because it has more digits after the decimal.

Which is a more precise measurement, 1.32 e5 or 1.3200 e5

1.3200 e5