Question
(a) Which of these is a rational number between 2 and 3:
1827,73,103,52
(b) Find one rational number that lies between 78 and 12. What is its reciprocal?
[3 MARKS]
Answer: Option A
:
(a) Steps: 1 Mark
Result: 1 Mark
(b) Answer: 1 Mark
(a) Simplified form of the numbers:
1827=23
73=213
103=313
52=212
The rational numbers between 2 and 3 are 73 and 52.
(b) Rational number that will lie between 78 and 12 is their average.
78+122=1182=1116
Its reciprocal is 1611.
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:
(a) Steps: 1 Mark
Result: 1 Mark
(b) Answer: 1 Mark
(a) Simplified form of the numbers:
1827=23
73=213
103=313
52=212
The rational numbers between 2 and 3 are 73 and 52.
(b) Rational number that will lie between 78 and 12 is their average.
78+122=1182=1116
Its reciprocal is 1611.
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