Help please - Base four question

11 Plus Maths – Preparation and Information

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coolmum123
Posts: 271
Joined: Fri Jan 25, 2008 11:18 pm

Help please - Base four question

Post by coolmum123 »

Hi all,

my DS is doing an Athey paper in which one of the questions is as follows:

write the number 13 in base four.

Does anyone know the answer please? I know what it is I just don't know how to write it down!!!

Confused mum!
Guest55
Posts: 16254
Joined: Mon Feb 12, 2007 2:21 pm

Post by Guest55 »

13 in base 4 is 31 - usually with a four written in subscript afterwards
coolmum123
Posts: 271
Joined: Fri Jan 25, 2008 11:18 pm

Post by coolmum123 »

Hi,

Thanks Guest55, I thought I was along the right lines but wasn't sure how to clarify it was base four and not just the number 31!!

Thanks
(not so) coolmum
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