Sandy's dad just finished working and was paid $8000 for his work. Her dad gave her mom 5/8 of his salary to pay for household expenses. Her mom gave her brother 1/15 of the amount she received as allowances for her brother. Her brother gave Sandy 2/3 of his allowances because he owed her money. How much money did Sandy get from her brother? a) Write an equation for this scenario

b) Solve the scenario and find out how much money Sandy got from her brother

Sandy got (approximately) $222.22 from her brother.

Step-by-step explanation:

5/8 (8000) = 5000

1/15 (5000) = 333.33

2/3(333.33) = 222.22

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: