2.5 × 10 ↑ -1
Because it moves the decimal place one spot over to the left (because the one is negative), making it 0.25 once again.
Sin 30° equals 0.5 and as a fraction that would be 5/10 and 5/10 simplified is 1/2
Answer:
p =
Step-by-step explanation:
q=
- r÷ t using BODMAS
q =
- (r/t)
q + r/t = 
p=
75% of the teachers were first-year teachers
Step-by-step explanation:
the formula for percentage will be used for the problem
The percentage is given by:

Here
Total teachers = 57+19 = 76
First-year teachers = 57
So,

Hence, 75% of the teachers were first-year teachers
Keywords: Percentage, Percent
Learn more about percentage at:
#LearnwithBrainly
Convert 2/5, 1/4 and 7/10 to fractions with like denominators.


Since 8/20,5/20 and 14/20 have the same denominator, add their numerators to add them up.

