Free Printable HW: Measurement 2

1.

How many significant figures: 153.0 mL

a)

1

b)

2

c)

3

d)

4

2.

How many significant figures: 0.012 km

a)

1

b)

2

c)

3

d)

4

3.

How many significant figures: 1000 mL

a)

1

b)

2

c)

3

d)

4

4.

How many significant figures: 0.001 g

a)

4

b)

3

c)

2

d)

1

5.

How many sig figs are there?
100.00

a)

1

b)

3

c)

4

d)

5

6.

Round 0.010229 to four significant figures

a)

1022

b)

1023

c)

0.01023

d)

0.01022

7.

2.345 + 0.37 =

(According to SF rules)

a)

2.7

b)

2.71

c)

2.72

d)

2.715

8.

15.75 - 2.5 =

(According to SF rules)

a)

13

b)

13.3

c)

13.2

d)

13.25

9.

12.5\times0.40=

(According to SF Rules)

a)

$5.0$

b)

$5.00$

c)

$5.000$

d)

$5$

10.

1.23\times10^{-3}+2.34\times10^{-4}=

(According to SF Rules)

a)

$1.464\times10^{-3}$

b)

$1.47\times10^{-3}$

c)

$1.46\times10^{-3}$

d)

$1.5\times10^{-3}$

11.

3.75\times10^{-17}+2.5\times10^{-16}=

(According to SF Rules)

a)

$2.88\times10^{-16}$

b)

$2.9\times10^{-16}$

c)

$3\times10^{-16}$

d)

$2.875\times10^{-16}$

12.

3.45\times10^9+5.5\times10^8=

(According to SF Rules)

a)

$4\times10^9$

b)

$4.0\times10^9$

c)

$4.00\times10^9$

d)

$40\times10^8$

13.

5.67\times10^{-21}-6.7\times10^{-22}=

(According to SF Rules)

a)

$5\times10^{-21}$

b)

$5.0\times10^{-21}$

c)

$5.00\times10^{-21}$

d)

$5.000\times10^{-21}$

14.

2.50\times10^{30}\times4.0\times10^{-20}=

(According to SF Rules)

a)

$1.0\times10^{11}$

b)

$10\times10^{10}$

c)

$1\times10^{10}$

d)

$1.00\times10^{10}$

15.

4.9\times10^{-10}\div\left(0.7\times10^{-5}\right)=

(According to SF Rules)

a)

$7\times10^{-5}$

b)

$7.0\times10^{-5}$

c)

$7.00\times10^{-5}$

d)

$7.000\times10^{-5}$

16.

Density = mass / volume

What is the SI unit of density?

a)

kg.m^{-3}

b)

$kg.m^3$

c)

$\left[M\right]\left[L\right]^{-3}$

d)

$\left[M\right]\left[L\right]^3$

17.

Density = mass / volume

What is the dimension of density?

a)

kg.m^{-3}

b)

$kg.m^3$

c)

$\left[M\right]\left[L\right]^{-3}$

d)

$\left[M\right]\left[L\right]^3$

18.

Force = mass * acceleration.

Acceleration = Velocity/time.

Velocity =displacement/time.

What is the SI unit force

a)

kg.\ m.s^{-2}

b)

$kg.m^2s^{-2}$

c)

$\left[M\right]\left[L\right]\left[T\right]^{-2}$

d)

$\left[M\right]\left[L\right]^2\left[T\right]^{-2}$

19.

Force = mass * acceleration.

Acceleration = Velocity/time.

Velocity =displacement/time.

What is the dimension of force?

a)

kg.\ m.s^{-2}

b)

$kg.m^2s^{-2}$

c)

$\left[M\right]\left[L\right]\left[T\right]^{-2}$

d)

$\left[M\right]\left[L\right]^2\left[T\right]^{-2}$ /

20.

What is the dimension of area?

a)

\left[L\right]^2

b)

$m^2$

c)

$\left[m\right]^2$

d)

$\left[L^2\right]$

HW: Measurement 2

Total questions: 20

Worksheet time: 16mins

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