PLZ HELP Explain the difference between -2^4 and (-2)^4, and evaluate each power

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Use your exponent rules to express as a single power, 94 ÷ 27^2

6x - 8 = 16 solve the following equation. then place the correct number in the box provided.

Use the frequency distribution, which shows the number of american voters (in millions) according to age, to find the probability that a voter chosen at random is in the 18 to 20 years old age range. ages frequency 18 to 20 5.9 21 to 24 7.7 25 to 34 20.4 35 to 44 25.1 45 to 64 54.4 65 and over 27.7 the probability that a voter chosen at random is in the 18 to 20 years old age range is nothing. (round to three decimal places as needed.)

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.