Add Numbers in Scientific Notation Quick Check

Question

3 of 53 of 5 Items
Question
An empty dump truck weighs about 2.8×10^5 pounds. How much does it weigh if 15,300 pounds of trash is added? The answer should be in scientific notation.(1 point)
Responses

4.33×10^5 pounds
4.33 times 10 superscript 5 baseline pounds

29,530 pounds
29,530 pounds

2.953×10^5 pounds
2.953 times 10 superscript 5 baseline pounds

15,302.8 pounds
15,302.8 pounds

Answer 1

To find the weight of the dump truck with the added trash, we need to add the weight of the empty dump truck (2.8×10^5 pounds) to the weight of the trash (15,300 pounds).

2.8×10^5 + 15,300 = 4.33×10^5 pounds

So, the correct answer is 4.33×10^5 pounds.