What is the product of 3.78×10^9 and 7.35×10^5?
A. 2.7783×1045
B. 2.7783×1014
C. 2.7783×1015
D. 2.7783×1046

CSince our equation would be3.78×10⁹×7.35×10⁵=3.78×7.35×10⁹×10⁵=27.783×10¹⁴=2.7783×10¹⁵ (we move it one decimal place forward so power increases)Cheers!