Answer True or False 1. An exponential expression is repeated multiplication. 

2. The base is the number that gets multiplied to itself.

3. The exponent tells you how many times the base should be multiplied to itself.

4. The expression 4 cubed (pretend that it's written as an exponent) is in exponential form.

5. The expression 4 x 4 x 4 is in expanded form.

6.
7. In the equation 2 x 2 x 2 = 8, eight (the product of 2 x 2 x 2) is written in standard form the usual way a value is expressed.

Arandomized controlled trial is designed to evaluate the effect of metoprolol in patients with heart failure. while preparing for statistical analysis, the researcher reviews some common types of statistical errors. which of the following statements is true regarding a type i error in a clinical study? a. the study is not significantly powered to detect a true difference between study groups. bthe null hypothesis is true but is rejected in error. c. the null hypothesis is false but is accepted in error. d. type i error is also known as beta and is usually 0.1 or 0.2. e. type i error depends on the study's confidence interval.