The standard form of 4050000 is given by
4.05×1064.05 \times 10^{6}4.05×106
40.5×10940.5 \times 10^{9}40.5×109
405×106405 \times 10^{6}405×106
4.05×10−64.05 \times 10^{-6}4.05×10−6
(A) 4.05×1064.05 \times 10^{6}4.05×106
Explanation: