Write a division equation to represent the repeated subtraction for 32 take away 8 is 24

32÷8

Step-by-step explanation:

Division is like repeated subtraction

The problem that would repeatedly take away 8 from 32 is 32÷8

The same is true for 25÷5, it is asking how many times can 5 be taken away from 25, hence repeated subtraction

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: