Help me pls its due today i need help mann asap TOO!

The answer is A.

Step-by-step explanation:

Store 1: 3 lbs for $10.5 ($3.5/lb)

Store 2: 2.5 lbs for $8.90 ($3.56/lb)

The answer is A. The sliced turkey at Store #1 is cheaper by $0.06 per pound

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: