Integers AUGGGHHH can u help??? What is 7 + (-12)
2 answers:
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When you have a non-periodic decimal number, you can write it as a fraction. The numerator is the whole number, without the decimal separator. The denominator is a power of 10, 10^k, where k is the number of decimal digits.
So, you have
Since you only have one decimal digit.
-6 is an integer, and any integer can be written as a fraction with denominator 1:
The percentage symbol simply means "divided by 100":
-4/11 is already a fraction between integers, so it's already in the requested form.
-4.3 work like 0.7:
Answer:
The sum of ages of all 18 pupils in the class = 81
Step-by-step explanation:
Total number of pupil in the class = 18
Average of years in the class =
Now,
⇒Average of sum of ages in the class = 4.05
Let us assume the sum of ages of all students in the class = m
By the formula for AVERAGE:
or, m = 18 x 4.5 = 81
Hence, the sum of ages of all 18 pupils in the class = 81