In standard form 21600000 is written as
2.16×1072.16 \times 10^{7}2.16×107
216×107216 \times 10^{7}216×107
2.16×1052.16 \times 10^{5}2.16×105
216×104216 \times 10^{4}216×104
(A) 2.16×1072.16 \times 10^{7}2.16×107
Explanation:
