Scientific notations and Sig digs

Question 1

How many sig digs are in the following:

1.435

Answer 1

4

Question 2

How many sig digs are in the following:

0.009

Answer 2

1

Question 3

How many sig digs are in the following:

0.22

Answer 3

2

Question 4

How many sig digs are in the following:

2.00

Answer 4

3

Question 5

How many sig digs are in the following:

1.2 x 10^3

Answer 5

2

Question 6

How many sig digs are in the following:

2.00 x 10^14

Answer 6

3

Question 7

Expand the following scientific notation:

1.23 x 10^5

Answer 7

123 000

Question 8

Expand the following scientific notation:

2 x 10^-6

Answer 8

0.000002

Question 9

Expand the following scientific notation:

9.8 x 10^-3

Answer 9

0.0098

Question 10

Expand the following scientific notation:

1.117 x 10^4

Answer 10

11 170

Question 11

Turn the following number into a scientific notation:

1 000 000

Answer 11

1.0 x 10^6

Question 12

Turn the following number into a scientific notation:

2 009

Answer 12

2.0 x 10^3

Question 13

Turn the following number into a scientific notation:

0.00000145

Answer 13

1.5 x 10^-6

Question 14

Turn the following number into a scientific notation:

0.00788

Answer 14

7.9 x 10^-3

Question 15

Turn the following number into a scientific notation:

0.133

Answer 15

1.3 x 10^-1

Question 16

How do you convert km/h to m/s?

Answer 16

Multiply the coefficient of km/h by 5/18