Answer:
777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777
Step-by-step explanation:
Answer:
Amount of Niobium-91 initially
= 300/91 =3.2967mol
2040 years = 3 ×680 = 3 half-lives
therefore, amount left = 0.4121mol
mass of Niobium-91 remaining = 0.4121 ×91 =37.5g
Please give brainliest
To represent a negavtive number in binary u need to ask me ;)
82.4+108.6=191 and 12052.1 divided by 191=63.1
So the answer is 63.1
