in binary she needs 101 notebooks and 1111 apples what does she mean

Answer 1

In binary, the numbers you provided represent the following decimal values:

• 101 in binary converts to 5 in decimal. This means she needs 5 notebooks.
• 1111 in binary converts to 15 in decimal. This means she needs 15 apples.

So, in decimal terms, she needs 5 notebooks and 15 apples.