Answer:
(a) 0.16% = 0.0016
(b) 4 = 400%
Explanation:
(a) Write 0.16% as a decimal.
0.16% = 0.16 ÷ 100 = 0.0016
(b) Write 4 as a percentage.
4 = 4 × 100% = 400%
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