To make a model volcano that actually erupts, Tomo mixes chemicals using the recipe
shown
He makes three batches of fake lava, cach containing a different amount
Drag numbers to show how much of each ingredient Tomo should use m each batch of
Iake lava

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