How do you evaluate #-7^2#?
1 Answer
Jun 10, 2016
Explanation:
Recall that an exponent represents the number of times the base is multiplied by itself.
For instance, in your case,
#-7^2#
#ul("where")# :
base#=7#
exponent#=2#
the expression means to multiply
Hence,
#=-(7xx7)#
#=-(49)#
#=color(green)(|bar(ul(color(white)(a/a)color(black)(-49)color(white)(a/a)|)))#
