The square of a whole number is between 1500 and 1600. the number must be between

√1600=40  look for a number in that range

Step-by-step explanation:

√1500= 38.7

√1600=40

therefore the perfect square in question must be √1600

22 and 22

step-by-step explanation:

10 plus 12 equals 22.

12 plus 10 also equals 22 because regardless of what order they're in, they're gonna equal the same thing.