Question 1 Use exponent rules to simplify the following, giving all answers with positive exponents. (a) \( 6^{3} \times 6^{-5} \times 6^{-2} \)

Lily is 22 inches long and weighs 9 pounds at birth. She is __ newborn. a. shorter and lighter b. longer but lighter c. shorter but heavier d. longer and heavier

Dada la función \( f(x)=x+5 \), encuentra el límite cuando \( x \) tiende \( a-2 \) \[ \lim _{x \rightarrow-2} x+5= \]

In the last weeks of pregnancy, a. fetal growth increases dramatically b. the fetus begins relying on its own well-developed immune system c. the weight of the fetus usually declines slightly d. most fetuses assume an upside-down position

When Sam was born, stimulation in his brain resulted in a massive overabundance of synapses. Neurons that were seldom stimulated soon lost their synapses, in a process known as a. neuroimaging b. myelination c. synaptic pruning d. neurotransmission Clear my choice

' \( x \) ' varies directly with the cube of ' \( y \) ', and inversely with the square of ' \( z \) '. If \( x=\frac{1}{36} \) when \( y=2 \) and \( z=3 \), what is the value of \( 800 x \) when \( y=3 \) and \( z=5 \) ? 1.