Question 2(Multiple Choice Worth 2 points)
(Scientific Notation in the Real World MC)
The approximate weights of two animals are 4.23 x 103 lbs. and 8.7 x 103 lbs. Find the total weight of the two animals. Write the final answer in scientific notation with the correct number of significant digits.
1.29 x 104 lbs.
1.3 x 104 lbs.
5.1 x 103 lbs.
12 x 103 lbs.