Addison invested $1,800 in an account paying an interest rate of 83% compounded monthly. Nathaniel invested $1,800 in an account paying an interest rate of 81%
compounded annually. To the nearest hundredth of a year, how much longer would
it take for Nathaniel's money to triple than for Addison's money to triple?

it's

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step-by-step explanation:

2.2°  

step-by-step explanation:

let θ = the angle of elevation.

tanθ =77/2020

tanθ = 0.038 12

      θ = tan⁻¹0.038 12

      θ = 2.2°

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: