20 students.
40% are boys. (40/100)*20 = 0.4 * 20 = 8 boys.
Girls= 20 - 8 = 12 girls.
25% of the boys wear glasses. = (25/100)*8 = 0.25*8 = 2 boys wear glasses.
50% of the girls wear glasses. = (50/100)*12 = 0.50*12 = 6 girls wear glasses.
Total students that wear glasses = 2 + 6 = 8 students.
8 students wear glasses.
Answer:
Own words: Writing in scientific notation allows the equation to appear simpler and more approachable.
Step-by-step explanation:
Online Definition: To write a number in scientific notation, if the given number is greater or equals to 10, the decimal point is moved to the left of the number and so, the power of 10 becomes positive. ... Writing numbers in scientific notation not only simplifies them, but also makes them easier to multiply
We will have the following:
First, we calculate the total payment per year:
Now, we calculate the monthly payment:
So, the monthly payment will be approximately $1738.811686.
B. Segment AB is congruent to segment CD.
Answer: No, he needed to apply the exponent to all factors in the product in the second step.
