Perform the followingmathematical operation, andreport the answer to the correctnumber of significant figures.3.47 x 6.7 = [?]

The number of significant figures is determined by the factor which has the least number of significant figures.
In this case, that factor is 6.7, it means that the product will have 2 significant figures.
The product is 23.249. Nevertheless, since the answer must be expressed using the correct number of significant figures (which is 2), the answer is 23.