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Express 18 as a product of prime factors.

Mathematics

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4 parts
3

30.67%30.67\%

5
24200
7

2×322 \times 3^{2}

9

x>43x > \frac{4}{3}

Step-by-step solution

12 steps

Here are the solutions to the questions you've provided:

Part 3· 3 steps

What is the average of the 38%, 32% and 22%?

  1. Sum the given percentages.

    38%+32%+22%=92%38\% + 32\% + 22\% = 92\%
  2. Divide the sum by the number of percentages (which is 3) to find the average.

    92%3=30.666...%\frac{92\%}{3} = 30.666...\%
  3. Round the average to a reasonable number of decimal places.

    Average≈30.67%\text{Average} \approx 30.67\%

    The average of 38%, 32%, and 22% is 30.67%\boxed{30.67\%}.

Part 524200

Round off 24178 to the nearest hundred.

  1. Identify the hundreds digit in 24178, which is 1.

  2. Look at the digit immediately to the right of the hundreds digit (the tens digit), which is 7.

  3. Since 7 is 5 or greater, round up the hundreds digit (1 becomes 2) and change all digits to its right to zero.

    24178≈2420024178 \approx 24200

    24178 rounded to the nearest hundred is 24200\boxed{24200}.

Part 7

2×322 \times 3^{2}

Express 18 as a product of Prime factors.

  1. Start by dividing 18 by the smallest prime number, 2.

    18÷2=918 \div 2 = 9
  2. Divide the result (9) by the next smallest prime number that divides it, which is 3.

    9÷3=39 \div 3 = 3
  3. The result (3) is a prime number.

    So, the prime factors are 2, 3, and 3.

    18=2×3×318 = 2 \times 3 \times 3

    The product of prime factors for 18 is 2×32\boxed{2 \times 3^{2}}.

Part 9

x>43x > \frac{4}{3}

Solve the inequation (6x+2)>10.

  1. Subtract 2 from both sides of the inequality.

    6x+2−2>10−26x + 2 - 2 > 10 - 2 6x>86x > 8
  2. Divide both sides by 6.

    6x6>86\frac{6x}{6} > \frac{8}{6}
  3. Simplify the fraction.

    x>43x > \frac{4}{3}

    The solution to the inequation is x>43\boxed{x > \frac{4}{3}}.

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