-90.852
Step-by-step explanation
1.34*-67.8
Step 1
count the number of digits after the dot in each number
total = 2+1= 3 digits after the points.
Step 2
eliminate the dots and do the multiplication
Step 3
go to the last number of the result(rigth side) and move those e spaces(the total count of digits in step 1) from right to left, and mark the point) it is
so, the answer is -90.852