Write in base two the following numbers: one, two, four, eight, and sixteen.

1 is 1 in base 2

2 is 10

4 is 100

8 is 1,000

16 is 10,000

Step-by-step explanation:

Here, we want to write the numbers in base 2;

We simply divide each by 2 and note the remainders;

For 1 ; in base two , the answer is 1

for 2 in base two, the answer is 10

For 4 in base two, the answer is; 100

For 8, the answer is 1000

For 16 , the answer is 10,000

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

happy to

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according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation: