Original Equation: 2(x + -4) = -3
First Step:
2x + -8= -3
addition property of equality
commutative property of multiplication
distributive property of multiplication over addition
commutative property of addition
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$18 was the price of the t-shirt

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:

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- : )