Answer:
11. B
12. D
Step-by-step explanation:
11)
2 times 10⁻² = 2·0.01 = 0.02 ≈ 0.0201
12)
6·10⁻⁴ = 6·0.0001 = 0.0006
However, 0.00058 rounds to 0.0006 and 0.00067 rounds to 0.0007, so the answer is a better estimation for D than for B.
