Explain how adding and subtracting numbers written in scientific notation differs from multiplying and dividing.

both equations and proportions are better.

175

step-by-step explanation:

2 inches x 10 miles = 200 miles - 3 inches = 175

you can first factor out the n to get n(1+5). we know that 1+5 is 6, so we just have 6n.

she would want to sell 10 full-year subscriptions and at least 9 half-year subscriptions to get a total of at least $300. 

i hope this answer you! if you have any further questions or concerns, feel free to ask! : )

step-by-step explanation:

mark brainliest!