CPM Homework Help : GB8I Problem 6-65

Rewrite each expression. In parts (a) and (b), write your answers without negative exponents. In parts (c) and (d), write your answers in scientific notation.

$5^0·2^{-3}$
Hint (a):
What is the value of $5^{0}$ ?
What effect does a negative exponent have on the base?
Review the Math Notes box in Lesson 1.3.2.

$\frac { a ^ { 3 } } { b ^ { - 2 } } \cdot \frac { a b ^ { 2 } } { a ^ { 4 } }$
Answer (b):
$b^{4}$

$2.3\times10^{-3}·4.2\times10^2$
Hint (c & d):
Add exponents when multiplying.

$(3.5 × 10^{3})^{2}$