Answer:
47.2
Step-by-step explanation:
add all the numbers(42,78,81,23,12) then divide by the total amount of numbers(5) which will result in it being 47.2.
9, its 9, trust me, its 9.
Answer:
613000
Step-by-step explanation:
if the hundred fall on a number and it it less than 5 you will just write or turn it to 0 but if it is more than 5 you will take one from the 5 add it to the number that comes before the number and make the remaining 0
Answer:
60
Step-by-step explanation:
m∠1=(55+65)/2=60