Find the following values without a calculator.
Give your answers in this manner. (Eg 0.1, 0.2, 0.3)
- 3.4, 3.5, ____, 3.7
- 6.7, ____, 7, 7.15
- 6.5, 6.9, 7.3, _____
(a)
Common difference
= 3.5 - 3.4
= 0.1
Number
= 3.5 + 0.1
= 3.6
(b)
Common difference
= 7.15 - 7
= 0.15
Number
= 6.7 + 0.15
= 6.85
(c)
Common difference
= 7.3 - 6.9
= 0.4
Number
= 7.3 + 0.4
= 7.7
Answer(s): 3.6, 6.85, 7.7