What can be the last digit of the fourth power of a natural number?

0, 1, 5 and 6.

Step-by-step explanation:

If we take all the digits  0 to 9 and take them to the power 4 we will get the answer.

eg 0^4 = 0 1^4 = 1 4^4 = 256

the answer is 0, 1,  5 and 6.

the last digit can only one of the following: 0, 1, 5, 6

Step by Step Explanations:

It is enough to show that all single digit numbers to the power on four end on one of the four above. Any number with two or more digits can be shown to have the same property.

Let me know if you have any questions.

choice b is correct

step-by-step explanation:

we have been given the following system of inequalities;

we are required to graph the solution to the system of inequalities. using a graphing tool, the graph of the system is as shown in the attachment. the continuous line represents the graph of while the dotted line represents .