The decimal number 2.86 cannot be converted to a mixed number because it doesn't contain a whole part and a fraction part. Therefore, it remains as 2.86.
The question asks to express 2.86 as a mixed number in simplest form. Since 2.86 is a decimal and not a fraction, it's already in its simplest form and does not convert to a mixed number because it does not have a whole part and fraction part.
A mixed number example would be '3 1/2' which has a whole part (3) and a fraction part (1/2). In this case, 2.86 is a decimal more than 2 and less than 3, and it doesn't contain fractions, so it’s simply 2.86.
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The interest earned at $350 at 3% for 10 years is $105
Simple interest is a method of calculating the interest charge. Simple interest can be calculated as the product of principal amount, rate and time period.
Simple Interest = (Principal × Rate × Time) / 100
Given;
P = $350
r = 0.03
t = 10 years
The interest earned;
I =I = P × r × t
I =350 × 0.03 ×10
I = $105
Therefore, the interest earned will be $105
Learn more about simple interest here;
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A.
–12.6
B.
–3.15
C.
12.6
D.
3.15