Flashcards
If we have a date like $$2d_2/0m_2/19y_3y_4$$ and the variables can be filled in with any values from $3, 4, 5, 6, 7, 8$, how can we work out the number of possibilities??
$$ 6P4 $$
What is the formula for $nPr$??
$$ \frac{n!}{(n-r)!} $$
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date: 2021-08-04 17:16
summary: how can we find dates that don't have any repeating numbers?
tags:
- '@?public'
- '@?maths'
- '@?mat'
- '@?notes'
title: MAT - Paper 2010 - Q5