1. Write 16 2 as a single power of 2. Carefully show each step of your...

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1. Write 16 2 as a single power of 2. Carefully show each step of your work. 2. Police departments find it very useful to be able to approximate driving speeds in skidding accidents. If the road surface is wet concrete the function S(x) = 10.5x is used, where S(x) is the speed of the var in miles per hour and x is the distance skidded in feet. a. Fill out the table for each of the distances shown below. Round to the nearest whole number: X 120 140 160 180 200 220 S(x) b. Find the distance the car will skid if the speed of the car is 60 miles per hour. Round to two decimal places. 3. Complex numbers are used by engineers and physicists to measure electrical circuits. To measure voltage, they use the formula E = 1.Z, where E is voltage in volts, I is current in amps, and Z is impedance, or resistance, in ohms. - a. Find the voltage for an electrical circuit if the current is 3 4i amps and the impedance is 2+ i ohms. b. Find the Impedance for an electrical circuit if the voltage is 18 24i and the current is 6 - 3i amps. 1. Write 16 2 as a single power of 2. Carefully show each step of your work. 2. Police departments find it very useful to be able to approximate driving speeds in skidding accidents. If the road surface is wet concrete the function S(x) = 10.5x is used, where S(x) is the speed of the var in miles per hour and x is the distance skidded in feet. a. Fill out the table for each of the distances shown below. Round to the nearest whole number: X 120 140 160 180 200 220 S(x) b. Find the distance the car will skid if the speed of the car is 60 miles per hour. Round to two decimal places. 3. Complex numbers are used by engineers and physicists to measure electrical circuits. To measure voltage, they use the formula E = 1.Z, where E is voltage in volts, I is current in amps, and Z is impedance, or resistance, in ohms. - a. Find the voltage for an electrical circuit if the current is 3 4i amps and the impedance is 2+ i ohms. b. Find the Impedance for an electrical circuit if the voltage is 18 24i and the current is 6 - 3i amps.

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