What is the standard form of the number in the calculator’s display? the calculator shows eight point six e plus twelve
a. 8,600,000,000,000
b. 860,000,000,000
c. 0.86
d. 0.86

Anyone know? will mark brainliest if correct

The surface area of the triangular prism is .

Situation: . find the substance's half-life, in days. round your answer to the nearest tenth. a 11 gram sample of a substance that's used to treat thyroid disorders has a k. value of 0.1247. enter the correct answer n - noekt done no - initial mass (at time t = 0) n - mass at timet k a positive constant that depends on the substance itself and on the units used to measure time t= time, in days