On a number line 8.2 would be located where

Mathematics

1 answer:

lesya [120]3 years ago

7 0

Answer:

Step-by-step explanation:

8.2 comes between 8 and 9

8.2 = $8\frac{2}{10}$ .

As you know, the interval between 8 and 9 is divided into 10 equal parts and each part is 1/10 or 0.1.

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Stells [14]

Option a: multiply $\frac{2}{5}$ by 4.

Explanation:

The expression is $\frac{2}{5} \div \frac{1}{4}$

Dividing the two fractions which is the same as multiplying the first fraction by the reciprocal value of the second fraction.

Hence, it can be written as

$\frac{2}{5} \times \frac{4}{1}=\frac{8}{5}$

Hence, $\frac{8}{5}$ is the quotient.

Option a: multiply $\frac{2}{5}$ by 4.

To determine the quotient, let us multiply the term $\frac{2}{5}$ by 4, we get,

$\frac{2}{5} \times 4=\frac{8}{5}$

Hence, $\frac{8}{5}$ is the quotient.

Thus, Option a is the correct answer.

Option b: multiply $\frac{2}{5}$ by $\frac{1}{4}$

To determine the quotient, let us multiply the term $\frac{2}{5}$ by 4, we get,

$\frac{2}{5} \times \frac{1}{4}=\frac{1}{10}$

$\frac{1}{10}$ is not the quotient. Since, the quotient is $\frac{1}{10}$ which is not equivalent to $\frac{8}{5}$ and hence we cannot multiply $\frac{2}{5}$ by $\frac{1}{4}$

Hence, Option b is not the correct answer.

Option c: multiply $\frac{5}{2}$ by $\frac{1}{4}$

To determine the quotient, let us multiply the term $\frac{5}{2}$ by $\frac{1}{4}$ , we get,

$\frac{5}{2} \times\frac{1}{4}=\frac{5}{8}$

$\frac{5}{8}$ is not the quotient. Since, the quotient is $\frac{5}{8}$ which is not equivalent to $\frac{8}{5}$ and hence we cannot multiply $\frac{5}{2}$ by $\frac{1}{4}$