A) Estimate 0.42 x 0.064 by rounding both numbers to one significant figure. b) Work out the exact value of 0.42 x 0.064

The data in the table represent the height of an object over time. which model best represents the data? height of an object time (seconds) height (feet) 05 1 50 2 70 3 48 quadratic, because the height of the object increases or decreases with a multiplicative rate of change quadratic, because the height increases and then decreases exponential, because the height of the object increases or decreases with a multiplicative rate of change exponential, because the height increases and then decreases

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What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi