How do you simplify # -7^-4#?
1 Answer
Jul 17, 2016
Explanation:
Using the
#color(blue)"law of exponents"#
#color(red)(|bar(ul(color(white)(a/a)color(black)(a^-mhArr1/a^m)color(white)(a/a)|)))#
#rArr-7^(-4)=-1(7)^(-4)=-1xx1/7^4=-1/2401#
