Scientific notation:
the surface area of earth was converted to scientific notation using an online calculator and was reported to be approximately 1.969 × 108 square miles. write the surface area as a single digit times an integer power of 10 and in standard form.

For the equations below which statement is true ?

Me asap! what is the slope of this line? enter your answer in the box.

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?