How would I show 2/5 as a division problem? Please explain using complete sentences.

2 ÷ 5 = 0.4

2/5 = 0.4

20/50 = 0.4

2 out of 5 = 0.4

The problem should be : look at the explanation below:

Step-by-step explanation:

⅖ should be expressed as 2 ÷ 5

Example 1:

Question:

I have 2 apples, I share each apple to five people, how should I cut the apple.

Cut each apple into five pieces and each person gets ⅖ piece.

explanation:

infrared radiation has wavelength in the range between 700 nm and 1 mm. lets' convert these values into scientific notation, keeping in mind that:

let's start from the lower value, we have:

(we moved the dot two places to the left, so we increased the exponent by 2 units, from -9 to -7)

the higher value is:

so, the range of wavelength of infrared radiation is: