Step 7: Multiply the number of ways to choose the boys and the girls together: 15 (ways to choose boys) * 56 (ways to choose girls) = 840.
Step 8: Conclude that there are 840 different ways to select 2 boys and 3 girls from the groups.
Combination – The concept of selecting items from a larger set without regard to the order of selection, represented mathematically as nCr.
Binomial Coefficient – The formula used to calculate combinations, which is n! / (r!(n-r)!), where n is the total number of items, and r is the number of items to choose.