Alight on a computer comes for 26700 microseconds is 10-6 seconds. workout the length of time ,in seconds, that the light is on. a) in standard form, b)as a decimal

I'm being volume of cylinder with 13 in. radius and 30 in height answer choices in pic

Diane’s bank is offering 5% interest, compounded monthly. if diane invests $10,500 and wants $20,000 when she withdrawals, how long should she keep her money in for? round to the nearest tenth of a year.

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.