Question

Multiple Choice:
Write the letter of the answer in a separate answer sheet.
1) Any non-zero number raised to a power of zero is always______.
A.O
B. 1
C. itself
D. negative
2) Which describes 50?
A. 6x6x6x6x6 D. 5x6
B. 5x5x5x5x5x5
C.6x5
D.5x6
3) Evaluate the expression 5 + bs-m'if b=4 and m-8.
A. 6
B. 537
C. 1561
D. 5904
4) Which power has the value of 16?
A 8²
B. 28
C. 24
D. 4-²
5) Teacher Me-An sent an email to 3 of her students. Each of her 3 students sent the e-mail to 3 more of their classmates. And, each of those sent it to other classmates, and so on. Find the number of e-mails sent at stage 5.
A. 27
B. 81
C. 243
D. 729​

Answer 1

Answer:

your answer

Step-by-step explanation:

1. 1

2. none of them

3. 1561

4. 8²

5. 27