Find the following values without a calculator.
Give your answers in this manner. (Eg 0.1, 0.2, 0.3)
- 2.1, 2.2, ____, 2.4
- 4.5, ____, 4.8, 4.95
- 5.1, 5.5, 5.9, _____
(a)
Common difference
= 2.2 - 2.1
= 0.1
Number
= 2.2 + 0.1
= 2.3
(b)
Common difference
= 4.95 - 4.8
= 0.15
Number
= 4.5 + 0.15
= 4.65
(c)
Common difference
= 5.9 - 5.5
= 0.4
Number
= 5.9 + 0.4
= 6.3
Answer(s): 2.3, 4.65, 6.3