Question

You begin with the number 458. You are only allowed to operations each of which can be
repeated any number of times
• You can multiply the number by 2
• Remove the last digt ie the one in the unt's place (e g. You can remove in the number 458)
Your task is to get to the number 14 beginning with 458. Do this in the minimum number of steps what
the mun no of sleps?​

Answer 1

Answer:

8 Steps

Step-by-step explanation:

Step 1 : 458 * 2  = 916

Step 2  916 * 2  =  1832

Step 3   1832 *2 =  3664

Step 4   3664   = 366  ( remove Last Digit)

Step 5   366    = 36    ( remove Last Digit)

step 6    36 *2   = 72

Step 7    72 *2   = 144

Step 8    144   = 14   ( remove Last Digit)