Simplify the following using laws of exponents.

${\left(\frac{1}{2}\right)}^8÷{\left(\frac{1}{2}\right)}^4$

Simplify the following using laws of exponents.

${\left(\frac{-1}{4}\right)}^6÷{\left(\frac{-1}{4}\right)}^5$

Subtract the following algebraic expressions.

$16a+2b\text{ from }b-a$

Identify the following algebraic expressions as monomial, binomial and trinomial. Also, write the numerical and literal coefficients.

$4a^2+2b^2+3c^2$

Identify the following algebraic expressions as monomial, binomial and trinomial. Also, write the numerical and literal coefficients.

$2x^{2}yz+x{y}^{2}z+6xy{z}^2$

Identify the following algebraic expressions as monomial, binomial and trinomial. Also, write the numerical and literal coefficients.

$6y^5-5$

Identify the following algebraic expressions as monomial, binomial and trinomial. Also, write the numerical and literal coefficients.

$x^2-2y^2-3z^2$

Identify the following algebraic expressions as monomial, binomial and trinomial. Also, write the numerical and literal coefficients.

$7y^2-6x^2$

Identify the following algebraic expressions as monomial, binomial and trinomial. Also, write the numerical and literal coefficients.

$4a^2-3b^4+6a^2{b}^4$