How do the values of the 1s in 14.937 and 6.1225 compare? Select from the drop-down menu to correctly complete the statement.
The value of the 1 in 14.937 is ___ times the value of the 1 in 6.1225.

options for the blank:
10
100
1,000

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

Ill mark the brainliest if you me with the these three questions 7,8,9

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.