Question

A computer magazine is analyzing three microprocessors. Microprocessor A executes one cycle in 0.00000000003 seconds, microprocessor B executes one cycle in 0.0000002 seconds, and microprocessor C executes one cycle in 0.000000008 seconds. Which of these statements is correct? Select three that apply.
A.
Microprocessor A executes one cycle in
3
×
10
−
11
seconds, and microprocessor B executes one cycle in
2
×
10
−
7
seconds.

B.
Microprocessor A executes one cycle in
3
×
10
−
11
seconds, and microprocessor C executes one cycle in
8
×
10
−
8
seconds.

C.
Microprocessor B executes one cycle in
2
×
10
−
7
seconds, and microprocessor A executes one cycle in
3
×
10
−
12
seconds.

D.
Microprocessor B executes one cycle in
2
×
10
−
7
seconds, and microprocessor C executes one cycle in
8
×
10
−
9
seconds.

E.
Microprocessor C executes one cycle in
8
×
10
−
9
seconds, and microprocessor A executes one cycle in
3
×
10
−
11
seconds.

F.
Microprocessor C executes one cycle in
8
×
10
−
9
seconds, and microprocessor B executes one cycle in
2
×
10
−
6
seconds.

Answer 1

Answers: A, D, and E.

Reason: Convert to scientific notation:
- A = 0.00000000003 = 3 × 10^−11
- B = 0.0000002 = 2 × 10^−7
- C = 0.000000008 = 8 × 10^−9

Options A (A and B), D (B and C), and E (C and A) match these values.