In which expression should the exponents be multiplied? a. 2 to the 9th over 2 to the 7th b. (6 power of 10)power of −7 c. one half to the 3rd times one half to the 5th d. 52 ⋅ 54

9.4.34  question   to estimate the height of a stone  figure, an observer holds a small square up to her eyes and walks backward from the figure. she stops when the bottom of the figure aligns with the bottom edge of the  square, and when the top of the figure aligns with the top edge of the square. her eye level is 1.811.81 m from the ground. she is 3.703.70 m from the figure. what is the height of the figure to the nearest hundredth of a  meter?