Question

write the set in listing method B = { x/x is two digit number such that the product of its digits is a multiple of ten}​

Answer 1

Answer:

B={25,45,52,54,56,58,65,85}

Step-by-step explanation:

The product of digits of the two-digit numbers will be multiple of 10 if one digit is 5 and the other one is even number.

These number are 25,45,52,54,56,58,65,85.

∴B={25,45,52,54,56,58,65,85}