what does is mean when a number written in scientific notation has a positive exponent? What does it mean when a number written is scientific notation has a negative exponent.

A positive exponent demonstrates that the respective decimal is shifted a certain number of places to the right.

A negative exponent demonstrates that the respective decimal is shifted a certain number of places to the left.

In scientific notation, the number of digits indicates the number of significant figures in any number. 

Negative- (Times 10 to the negative)

Positive- (Times 10 to the positive)

Hopefully This Helped! Feel free to mark Brainliest!

r just means there's a number of carbon in teh chain. for example rcooh means that after x number of carbon, the chain ends with cooh.

explanation: