Answer:
0 is the answer
Step-by-step explanation:
Hi! The answer would be D. It is basically just asking for a whole number. 2.6 is a decimal, C is negative and a decimal. Hope this helped!
Answer:
Sam
30
Step-by-step explanation:
Sam made a mistake when he said
. The steps should have been:

You are supposed to square 5 first before multiplying 2. Sam multiplied by 2 first. The correct answer is 30.