Maths Olympiad Prep

Track / Stage 4 / 198 of 340 #458 of 1964

Problem 458

AMC 12 late, AIME early
Algebra Difficulty 4.8 Find the answer

1. What is the difference between the greatest and the least of the following five quantities?
20+2020×20202+0(20)(20)20+2+0 20+20 \quad 20 \times 20 \quad 202+0 \quad\left(2^{0}\right)^{\left(2^{0}\right)} \quad 20+2+0

A number or a short expression. Fractions can be typed as 3/2, and spacing doesn't matter.

Official solution

SolUtion
399

The five quantities are 40,400,202,11=140,400,202,1^{1}=1 and 22 .
The difference between the greatest and least of these is 4001=399400-1=399.

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