Question

c ) ( 13,6 - 37,8 ) . (-3,2)

d) ( -25,4 ) . (18,5+43,6-16,8):12,7

Answer 1

c,(13,6−37,8).(−3,2)

=−24,2.(−3,2)=−24,2.(−3,2)

=77,44=77,44

𝑑,(−25,4).(18,5+43,6−16,8):12,7d,(−25,4).(18,5+43,6−16,8):12,7

=(−25,4).45,3:12,7=(−25,4).45,3:12,7

=−1150,62:12,7=−1150,62:12,7

=−90,6=−90,6