Free Printable 1.4 Measurement

1.

Which number below does NOT have 3 significant digits/figures?

a)

0.000407

b)

0.000470

c)

47.0

d)

370

2.

How many significant digits does 100500 have?

a)

0

b)

2

c)

4

d)

6

3.

Write 45000000 in scientific notation. Take note: Follow the rules discussed in class.

a)

$4.5\times10^6$

b)

$4.5\ x\ 10^7$

c)

$0.45\ x10^8$

d)

$0.45\ x\ 10^9$

4.

Write the standard numerical form for: $1.56\ x10^5$

a)

15600

b)

156000

c)

1560000

d)

15600000

5.

Which of the following has the highest significant digits?

a)

0.000040 g

b)

400 g

c)

402000 g

d)

$5.103\ x\ 10^4$

6.

Find the sum of these measured values:

5.789 g + 4.56 g + 2.1 g

(note: express your final answer in least decimal places)

4 lines

7.

Find the product of these measured values:

1.25 cm x 1.34 cm x 5.789 cm

(note: express your final answer in least significant numbers)

4 lines

8.

Solve: $\frac{0.123\ x\ 1.23\ x\ 273}{1.05}$

(note: express your answer with least significant digits)

4 lines

9.

How many cm are in 20 inches?

(Conversion factor: 1 in = 2.54 cm)

4 lines

10.

How many grams are in 0.54 pounds (lbs.)?

(conversion factors: 1 kg= 2.20 lbs and 1kg= 1000g)

4 lines

11.

What is the correct SI unit for mass?

a)

Kilograms

b)

newtons

c)

pounds

d)

grams

12.

The SI unit for time is the __?__.

a)

hours (h)

b)

liter (L)

c)

gram (g)

d)

second (s)

13.

Which of the following is the correct prefix for 10^-2?

a)

milli-

b)

centi-

c)

deca-

d)

hecto-

14.

What prefix is represented by the following symbol: k

a)

hecto

b)

kilo

c)

deci

d)

deka

15.

Which of the following is the correct prefix for 10⁶?

a)

kilo-

b)

giga-

c)

mega-

d)

micro-

16.

What SI unit is used to measure length?

a)

meters

b)

liters

c)

centimeters

d)

kilograms

17.

Which of the following is the correct prefix for 10^-6?

a)

milli-

b)

nano-

c)

mega-

d)

micro-

18.

Which options shows the correct conversion between grams and milligrams?

a)

85g = 8500mg

b)

85g = 8.5mg

c)

85g = .85mg

d)

85g = 85000mg

1.4 Measurement

Total questions: 18

Worksheet time: 3hrs 34mins

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