(for 8th graders) what is 100,000x23=? and also what is the answer to this 2,347,123,903,286,126x145? (the question is for high schoolers by the way)

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

Solve the equation using the zero-product property. -3n(7n - 5) = 0 a. 0, -5/7 b. -1/3, -5/7 c. -1/3, 5/7 d. 0, 5/7

If the discriminant if a quadratic equation is 4 which statement describes the roots?