Answer: The correct answer is C, 84,500
Step-by-step explanation: To write scientific notations:-
1. The first digit should be non-zero.
2. The decimal representation should be a number greater than 1 and less than 10.
3. The exponent representation should be in form of 10's power.
In this case, the correct answer is 84,500. Pls mark me brainliest!! Have a great day :))
