Answer:
$700
Step-by-step explanation:
25 the least amount of money earned by each student multiplied by 28 the number of students.
Answer:
Multiply by two. Formula could be x * 2
Step-by-step explanation:
Answer:
Step-by-step explanation:
378,903,970.
Answer:
73.5 yd squared
Step-by-step explanation:
The formula for finding an area of a triangle is Base x Height divided by 2, so 21 x 7 = 147 and dividing that by 2 gets you 73.5.
Answer: It will take 6 years for 7500 grams of X to reach 6900 grams.
Step-by-step explanation:
Expression for rate law for first order kinetics is given by:

where,
k = rate constant
t = age of sample
a = let initial amount of the reactant
a - x = amount left after decay process
a) for completion of half life:
Half life is the amount of time taken by a radioactive material to decay to half of its original value.


b) for 7500 g to reach to 6900 g


It will take 6 years for 7500 grams of X to reach 6900 grams.