Rewrite the Expression Without Using Negative Exponents $$\frac { 4 x ^ { - 2 } } { y ^ { - 7 } z ^ { 5 } }$$

question 186

Multiple Choice

Rewrite the expression without using negative exponents. (Assume all variables represent nonzero real numbers.)
- $$\frac { 4 x ^ { - 2 } } { y ^ { - 7 } z ^ { 5 } }$$

• A) \(\frac { 4 } { x ^ { 2 } y ^ { 7 } z ^ { 5 } }\)
• B) \(\frac { 4 y ^ { 7 } } { x ^ { 2 } z ^ { 5 } }\)
• C) \(\frac { y ^ { 7 } } { 4 x ^ { 2 } z ^ { 5 } }\)
• D) \(\frac { 4 x ^ { 2 } } { y ^ { 7 } z ^ { 5 } }\)

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Definitions:

Primary Sex Characteristic

The reproductive organs; in females, this includes the ovaries, fallopian tubes, uterus, and vagina, and in males, this includes the penis, testes, scrotum, seminal vesicles, and prostate gland.

Menarche

A girl’s first menstrual period.

Growth Spurt

A rapid increase in height and weight typically occurring during puberty.

Early Maturing Girl

A female who experiences the onset of puberty earlier than the average age, which can have various social and psychological impacts.