4. in the month of may, 800 people attended a sports event.
in july, the number increased to 1900. find the percentage
increase in july.
ingate 19
pane

5050 i think

step-by-step explanation:

correct answer is c. just did it

step-by-step explanation:

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:

question 1: step-by-step explanation:

1/4 of 84 = 84÷4= 21