1. multiply. (3.5×10−5)(3×10−10)(3.5×10−5)(3×10−10) express your answer in scientific notation. 1.05×10−151.05×10−15 ​ 1.05×10−141.05×10−14 ​ ​ 1.05×10−131.05×10−13 ​ ​​ ​ 1.05×10151.05×1015 ​