26cm/s = m/min and i need to know how to work it out

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.

Can some one me with these questions