Exponents And Powers

Question

Simplify and write in exponential form.

(–2)^–3 x (–2)^–4

Solution

(–2)^–3 x (–2)^–4= (-2)^(-3)^{^{+ (-4) [∵ $space space straight a to the power of straight m cross times straight a to the power of straight n equals straight a to the power of straight m plus straight n end exponent$ ]}}^{= $WiredFaculty$ or $fraction numerator 1 over denominator left parenthesis negative 2 right parenthesis to the power of 7 end fraction$}