Write $x ^ { \frac { 5 } { 8 } } y ^ { \frac { 1 } { 8 } }$

Q71: Simplify the numerical expression. ( 3<sup>

Q72: Solve the equation. <span class="ql-formula"

Q73: Solve the equation. <span class="ql-formula"

Q74: Change the radical to simplest radical

Q75: Write 70,000,000 in scientific notation.

Q77: The number under the radical sign is

Q78: Change the radical to simplest radical

Q79: Solve the equation. <span class="ql-formula"

Q80: Simplify the numerical expression. <span

Q81: Solve the equation. <span class="ql-formula"