Question

What is the unit digit of 4549^128 * 251^52 ?

Answer 1

Answer:

6

Step-by-step explanation:

in this type of questions just multiply last digits i.e 8×2=16 as 1 will get carried out 6 will be the unit digit

Answer 2

The digit in the unit's place is 0.

Given :

The expression 4549^128 * 251^52

To find :

The digit in the unit's place

Solution :

The expression : 4549^128 * 251^52

• ^ operator performs operation of a Power , * operator performs operation of Multiplication .

Hence, 4549^128 * 251^52

= 1.633954332E468 * 6.067831567E124

= 99145596747459982440000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

Hence, the digit in the unit's place is 0.

#SPJ2