An old bone contains 80% of its original carbon-14. Use the half-life model to find the age of the bone. Find an equation equivalent

hi! i think the answer is 1/2 : )

answer: 270

step-by-step explanation:

you have to times 200 by 1.35 to get your answer

$655.61 which is option c

step-by-step explanation:

price of house =   $146,000

initial rate = 3.5%

mortgaged paid in this = 3.5 % of $146,000

                                        =

                                        =$5110

the total years would be = 7

total mortgaged paid = 7 * $5110

                                      =$35770

remaining money = $146000-35770

                                =$110230

new mortgaged payment = 5 % of 110230

                                            =  

                                            =$655.61

x= 3^y

step-by-step explanation: