The speed of light is about 300 000 000 m/s. A student writes the speed of light as 300.0 x 106 m/s. Why is this incorrect? Write the correct value in scientific notation. plzzz help me :(

Find the arc length of the semicircle. 7the grade

Which function represents the sequence? f(n)=n+3 f(n)=7n−4 f(n)=3n+7 f(n)=n+7

Juanita wade's new car has an msrp of $28,902.11 including title and processing fees. the premier package which includes surround sound and dvd player costs three times the amount of the in-style package which includes leather seats and select wheels. the total cost of her new car was $34,290.08 which included the 6.5% sales tax. find the cost of the premier package to the nearest cent.