A box contains 45 packets of toffees, each weighing 95 g. Calculate the total weight, in kg, of six boxes of these toffees. Give your answer to 1 decimal place

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236