What is 1 a = ma = UA?

What is 1 a = ma = UA?

1A＝1000mA＝1000000uA

3A = how much Ma? How much UA does 3mA equal?

3A=3000mA
3mA=3000uA
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1A=（?）mA=(?)uA,

1A = 1000mA = 1000000 μ A. in fact: m stands for "milli", namely 10 ^ (- 3); μ stands for "micro", namely 10 ^ (- 6); n stands for "Na", namely 10 ^ (- 9); P stands for "Pi", namely 10 ^ (- 12); F stands for "Fei", namely 10 ^ (- 15); K stands for "thousand", namely 10 & sup3; m stands for "trillion", namely 10 ^ (6); G stands for "...."