Answer:
Exact Form: 25/4
Decimal Form: 6.25
Mixed number form: 6 1/4
Explanation:
8-7i/4i
Cancel the common factor of i
8 - 7/4
To write 8 as a fraction with a common denominator, multiply by 4/4
8 x 4/4 - 7/4
combine 8 and 4/4
8 x 4 over 4 - 7/4
Combine the numerators over the common denominator.
8 x 4 - 7 over 4
Simplify the numerator.
25/4
Exact Form: 25/4
Decimal Form: 6.25
Mixed number form: 6 1/4