Find the following values without a calculator.
Give your answers in this manner. (Eg 0.1, 0.2, 0.3)
- 4.9, 5, ____, 5.2
- 5.4, ____, 5.7, 5.85
- 7.2, 7.6, 8, _____
(a)
Common difference
= 5 - 4.9
= 0.1
Number
= 5 + 0.1
= 5.1
(b)
Common difference
= 5.85 - 5.7
= 0.15
Number
= 5.4 + 0.15
= 5.55
(c)
Common difference
= 8 - 7.6
= 0.4
Number
= 8 + 0.4
= 8.4
Answer(s): 5.1, 5.55, 8.4