standard_description: Know and apply the properties of integer exponents to generate equivalent numerical expressions. For example, 3^(2) × 3^(–5) = 3^(–3) = 1/3^(3) = 1/27.
problem_activity: Evaluate the expressions.
a.
$$24\div(2+1)+(11-8)\times2$$
b.
$$3^2\times4-10+(12-3)^2$$
c.
$$(3\times4)^2-10\times(12-3^2)$$


aligns: no