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A fish tank has 546.9 mL of water. (a) Write this number using litres. (b) Write your answer to part (a) correctly to three decimal places.
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Name_____________ ___________________ Date: ____________
Let’s Practice
1. Convert the following units:
a. 8250 cm to meters b. 295 g to mg
Lesson 1 - 6 : International System of Converting Units
Learning Goals:
# 4 : How do we convert measurements using the International
System of Measure?
ADVICE: Write the acronym for every question!!!
c. 12.54 kilometers to cm d. 12 kilograms to grams
e. Convert 457 mL to hL f. 5.9 kg to g
g. 15 grams to kilograms h. 45km into millimeters
PRACTICE: Convert the following measurements to the stated units.
a) 3540 millimetres to metres b) 7.14 kilograms into grams (^) c) 34.5 mL to cL
Conversion acronym!
Name_____________ ___________________ Date: ____________
Lesson 1- 7 Homework
1. The total mass of 90 identical books is 52 200g.
a. Calculate the total mass in kg.
b. Write down your answer to part a correct to one significant figure
c. Write your answer to part b in the form a x 10
k where 1≤a<10 and k ∈ Ζ
2. (a) A girl’s height is 1.623 m. Write her height to the nearest cm.
(b) The time taken to fill pool was 243 minutes. Write this correctly to the nearest 5 minutes.
(c) The attendance at a show was 2591 people. How many people, to the nearest 100 , were at the
show?
(d) The mean distance of the Moon from the Earth is approximately 384403 km. Write this distance
in the form a × 10
k where 1 ≤ a < 10 and k .
2 2
y x
z z T
, where 𝑥 = 7 , 𝑦 = 45 and 𝑧 = 2.
(a) Calculate the exact value of T.
(b) Give your answer to T correct to
(i) three significant figures;
(ii) three decimal places.
4. A large rectangular field has a length of 3.4 X 10
4 m and a width of 2.7 X 10
4 m.
a) Find the area of the field in m
2 .
b) Round your answer to two significant figures.