Since these two numbers are being multiplied, you would round to the smallest number of sig. figs. of the two. In this case, it would be 2 significant figures.
3.47 * 6.7 = 23.249 (dont forget to round to 2 sig. figs. ) --> 23
No because 2 similar triangles have to meet one of the following conditions: 1. all sides are equal 2. 2 pair of equal sides & the angles between these sides are equal
