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What is the primary advantage of using exponential notation?

A) Reverse calculations involving exponential terms can be completed because the exponential term simply becomes negative. B) The exponential term in an exponential number represents the slope of the line generated by the data set. C) The significand in exponential terms is always reduced to a factor of ten to make calculations faster and easier. D) Very large and very small numbers become more convenient to write and read in exponential notation.

The ________ flexes the vertebral column and compresses the abdominal wall

a. transverse abdominis b. rectus abdominis c. internal oblique d. external oblique