How to make digits 1-100 with 2, 0, 2, 3

Two numbers are selected at random from 1,2,3, ,100 and are 123 100 Serum folate concentrations are commonly used to assess folate status; a value above 3 ngmL indicates adequacy 100 g to 123 100 There are two ways to approach this The first says “I know that 10 is one-tenth of 100 I will therefore divide 50 by 10 The answer is 5” This is fine

123 100 Two numbers are selected at random from 1, 2, 3, , 100 & are multiplied Find the probability correct to two places of decimals that the product thus