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Evaluate r-s t/u if r=3/10 , s=-3/4, t= -0.35 , and u=7/10. Write your answer as a decimal for the nearest hundredth

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Final answer:

To evaluate the expression r-s t/u with the given values, we find r-s = 1.05 and t/u = -0.5, then multiply these results to get -0.525, which rounds to -0.53.

Step-by-step explanation:

To evaluate r-s t/u, we first substitute the given values into the expression. We have r = 3/10, s = -3/4, t = -0.35, and u = 7/10.

Now, let's plug in these values:

  • r - s = (3/10) - (-3/4) = 0.3 + 0.75 = 1.05
  • t/u = (-0.35) / (7/10) = -0.35 / 0.7 = -0.5
  • Since we have t/u as -0.5, multiply it with the result of r-s which is 1.05.
  • (r-s) * (t/u) = 1.05 * -0.5 = -0.525

When rounded to the nearest hundredth, the answer is -0.53.

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