Use a single digit times a power of 10 to estimate the number 0.00002438 . Rounded to the nearest , the number 0.00002438 is wut i will give you brainliest

Eric has challenged himself to walk 24,000 steps in 4 days. if eric walks the same number of steps each day, which function represents the number of steps eric still needs to walk to reach his goal with respect to the number of days since he started his challenge? a. y = 8,000x − 24,000 b. y = -8,000x + 24,000 c. y = 6,000x − 24,000 d. y = -6,000x + 24,000

Standard deviation of 19,29,21,22,23

Solve the equation by completing the square. x^2+2x=17