1. Write the number in scientific notation, 5678.345=
5.678345 x 10^3
Because you have to have a single digit number than is more than zero but less than 10 and then the extra numbers go to the right so then it can be a single digit and then you have scooted those number to the right three times so you can get your single number therefore thats your answer
Can i be made brainliest
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