Answer:
2.2*10^5
Step-by-step explanation:
to write a # in scientific notation change the # to decimal form.
so 2.2
then move the decimal point to the right until you get the original #
Answer:
-1.5 + 4.2
Step-by-step explanation:
Since there is no negative sign,the sign would change.
So it will be -1.5+4.2
Answer:
100
Step-by-step explanation:
We know that there are more goblins than magicians, by 20%.
Thus
be magicians M and goblins G, we have to:
G = 1 * M + 0.2 * M
G = 1.2 * M
M = G / 1.2
Therefore, knowing that in there are a total of 120 elves, replacing:
M = 120 / 1.2
M = 100
So there are 100 magicians in total in the club
Step-by-step explanation:
one million, two hundred thirty-four thousand, seven hundred sixty-one