What is the difference between the 6th square number and the 4th square number?

Based on the numbers that are the 6th and the 4th square numbers, the difference between those numbers is 20.

The 6th square number is:

= 6 x 6

= 36

The 4th square number is:

= 4 x 4

= 16

The difference is:

= 36 - 16

= 20

In conclusion, the difference is 20.

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Step-by-step explanation:

4th is 16

6th is 36

to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

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25% is the answer