Question 18
Find the number of representations
$$2072=a\cdot10^3+b\cdot10^2+c\cdot10+d,$$
where $a,b,c,d$ are integers with $0\le a,b,c,d\le99$.
$$2072=a\cdot10^3+b\cdot10^2+c\cdot10+d,$$
where $a,b,c,d$ are integers with $0\le a,b,c,d\le99$.
SEAMO 2027 - Paper F - SET 06 - Self-study Question 18
SEAMO · SEAMO 2027 - Paper F - SET 06 - Self-study