What is the value of 0.1 × 0.02 − 0.01 × 0.04?
2021
What is the value of 0.1 × 0.02 − 0.01 × 0.04?
- A.
0.0002
- B.
0.016
- C.
0.0016
- D.
0.002
Attempted by 79 students.
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Correct answer: C
Solution:
Compute the first product: 0.1 × 0.02 = 0.002. (1 × 2 = 2; total decimal places = 1 + 2 = 3)
Compute the second product: 0.01 × 0.04 = 0.0004. (1 × 4 = 4; total decimal places = 2 + 2 = 4)
Subtract the results: 0.002 − 0.0004 = 0.0016.
Answer: 0.0016