How would you write twenty-one thousand, six hundred fifty-six in standard form?

How would you write twenty-one thousand, six hundred fifty-six in standard form?

1. 21656
2. 21566
3. 21665
4. 2165
5. Semua jawaban benar

Jawaban: A. 21656.

Dilansir dari ensiklopedia, how would you write twenty-one thousand, six hundred fifty-six in standard form 21656.