Astronomers measure largest – years. one light-year is the distance that light can travel in one year, or approximately 5.88x10^12 miles. suppose a star is 9.8x10^1 light-years from earth. in scientific notation, approximately how many miles is it?
a.)5.88x10^13 miles
b.)5.76x10^14 miles
c.)5.88x10^12 miles
d.)9.8x10^12 miles

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step-by-step explanation:

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

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