#2(10 xx 8 +8 +8 xx 8)# ?

2 Answers
Daniel
May 7, 2018

#=304#

Explanation:

We have to follow the order of operations .

#2(10*8+8+8*8)#
#2(80+8+64)#
#2(152)#
#2*152#
#=304#

EZ as pi
May 9, 2018

#304#

Explanation:

This is all one term, but within the bracket there are #3# terms.

The order of operations is from
- the strongest operations of powers and roots
- multiplication and division
- the weakest operations of addition and subtraction.

If this order is to be changed, brackets are used to indicate what has to be done first.

Start inside the bracket with the two multiplications.

#2(color(blue)(10xx8)+8+color(blue)(8xx8))#
#color(white)(.........)darrcolor(white)(.............)darr#
#=2(color(blue)(80)+8" + "color(blue)(64))#

#=2(152)" "larr# add inside the bracket

#= 304" "larr# multiply by #2#

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