Find the following values without a calculator.
Give your answers in this manner. (Eg 0.1, 0.2, 0.3)
- 7.2, 7.3, ____, 7.5
- 6.3, ____, 6.6, 6.75
- 1.9, 2.3, 2.7, _____
(a)
Common difference
= 7.3 - 7.2
= 0.1
Number
= 7.3 + 0.1
= 7.4
(b)
Common difference
= 6.75 - 6.6
= 0.15
Number
= 6.3 + 0.15
= 6.45
(c)
Common difference
= 2.7 - 2.3
= 0.4
Number
= 2.7 + 0.4
= 3.1
Answer(s): 7.4, 6.45, 3.1