The half-life of hydrogen-3 is approximately 12.3 years. a. Determine a so that A(t)= Ayd' describes the amount of hydrogen-3 left after t years, where 4, is the amount at time t = 0. Round a to 6 decimal places.

b. How much of a 5-gram sample of hydrogen-3 would remain after 7 years? Round to 3 decimal places.

c. How much of a 5-gram sample of hydrogen-3 would remain after 9 years? Round to 3 decimal places.

Can someone me and plz do the problem

Jace wrote a sentence as an equation. 56 is 14 more than a number. 14+ = 56 which statement best describes jace's work? jace is not correct. the phrase more than suggests using the symbol > and jace did not use that symbol. jace is not correct. he was correct to use addition, but the equation should be 56+ p = 14 jace is not correct. the first number in the sentence is 56, so the equation should start with 56. jace is correct. the phrase more than suggests addition, so jace showed that 14 plus a variable equals 56. o

Select the lengths in centimeters that would form a right triangle