Work out the value of r give your answer in standard form r=(x^2)divided by y

X= 3.8x10^5

Y= 5.9x10^4

make sure to write the answer to an appropriate degree of accuracy

thx

According to the national center for health statistics, in 1990, 28 % of babies in the united states were born to parents who were not married. throughout the 1990s, this increased by approximately 0.6 % per year. if this trend continues, in which year will 52 % of babies be born out of wedlock? in__52 % of babies will be born out of wedlock