How do you evaluate #-7( - 2.4) + 6( - 7.4)#?

2 Answers
Nov 28, 2017

Multiply to expand,
#-7xx-24/10+6xx-74/10#
As,
#(-)xx(-)=(+)#
#168/10+444/10#
Add
#612/10#
#61.2#

Nov 28, 2017

-27.6

Explanation:

Remember BEDMAS (bracket,exponent, division,multiply, addition, subtraction.)

Following that, multiply first

#( -7 * (-2.4)) + (6*(-7.4))#

#= (16.8) + (-44.4) #

#= -27.6 #