LT#1: Converting Units and Sig Digs

Question 1

How do you set up a Conversion Factor?

Answer 1

x Want / Have

Question 2

How many g are there in a kg?

Answer 2

1000

Question 3

How many ml are there in a L?

Answer 3

1000

Question 4

How many mg are there in a g?

Answer 4

1000

Question 5

Define Accuracy

Answer 5

How close your measurements are to the true or expected value.

Question 6

Define Precision

Answer 6

How close together multiple measurements are to each other.

Question 7

How do you make an accurate measurement?

Answer 7

Record all the numbers read off the instrument or measuring tool and estimate one more value.

Question 8

How many Sig Digs does 6.73 have?

Answer 8

3

Question 9

How many Sig Digs does 80 have?

Answer 9

1

Question 10

How many Sig Digs does 0.000030 have?

Answer 10

2

Question 11

How many Sig Digs does 1.000367 have?

Answer 11

7

Question 12

How many Sig Digs does 1024 have?

Answer 12

4

Question 13

How many Sig Digs does 920. have?

Answer 13

3

Question 14

How many Sig Digs does 6.211 x 103 have?

Answer 14

4

Question 15

When multiplying or dividing, your answer should have…

Answer 15

the same number of sig digs as the number in the question with the lowest sig digs.

Question 16

When adding or subtracting, your answer should have…

Answer 16

the same number of decimal places as the number with the lowest decimal places.

Question 17

Round the number 124.64 to 2 Sig Digs and put it into scientific notation

Answer 17

1.2 x 10²

Question 18

Round the number 0.0009768 to 3 Sig Digs and put it into scientific notation

Answer 18

9.77 x 10^-4

Question 19

What is the answer for 9.2 - 7.42?

Answer 19

1.8

Question 20

What is the answer for 19.3 + 15?

Answer 20

34

Question 21

What is the answer for 3.60 x 47.43?

Answer 21

171

Question 22

What is the answer for 312.18 / 0.023?

Answer 22

1.4 x 10⁴