Question

Tell the answer to the 18th question pls!!

Answer 1

Answer:

It is c

Step-by-step explanation:

I did all the exponents and got 6561(59049+7776) + 8(4096+279936)

I added in the parenthesis and got 6561(66825) + 8(284032)

I multiplied and got 438438825+2272256

I added and got 440711081.

The way I found the square is by finding its digital root.The digital root has to be 1,4,7 or 9/ To find that out, I added all digits and got 26. Then I added 26's digits and got 8. 8 is its digital root. So it is not a perfect square.

The way I found the cube is by finding what number cubed will get me 440711081. I got 761. Basically a perfect cube has to have a number that equals a number cube rooted. ex- x to the 3rd power.

Since the 440711081 equals a number cubed, it is a perfect cube.

It is a perfect cube but not a perfect square.