Children of Fiji numbers quiz

[Janbuck]

Can anyone help me please with these
8 A nifty fine for the Rev Archibald
16 Leaves what for a French desert.
46 Flowing from Iowa to Missouri
70 Seconds away for cherry
83 Sounds like we need to re-organise tea for two
Answers are all numbers. Thanks in advance

[cancross]

8. 59 (Spoonerism?)

[grasscarp]

46 1000 (River Grand)

[Dinkypuzzled]

83. for-tea two.(42)

[gen2]

83 or two for tea = 240

[smouse]

I'm beginning to think its an age thing that some of us think
240 - lol

Makes sense to me as I go singing my way to bed

[Fibonacci]

earlier answer from "iamstumped"
16) Probably 1000
- Mille-Feuille is a dessert meaning '1000 leaves'.

[Headley]

70) google cherry as a singer

[Janbuck]

Many thanks to everyone who answered.