Can someone solve this two problems the sweet shop sells licorice at $9.40 per kg. how much would 250g of licorice cost? the cost of electricity is 43.4 cents per kilowatt for each hour. what would: i)500 kilowatts of electricity cost for one hour ii)cost to burn a 60 watt globe for 10 hours?

29. explain the error a student found the product of 8 × 10 6 and 5 × 10 9 to be 4 × 10 15 . what is the error? what is the correct product?

Which graph represents an even function?

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?