Question

10. Verify that 496 is a perfect number.

11. Find two consecutive composite numbers less than 10, such that there is no
prime number between them.

12. The number 199 is a three-digit number which remains prime number
whichever way we arrange its digits. Find other such three-digit prime
numbers having the same characteristics.​

Answer 1

Step-by-step explanation:

Proportion says that two ratios (or fractions) are equal. Example: 1/3 = 2/6. See: Equivalent Fractions. Proportions.