Question

3. Simplify and express the following as a rational number with a negative exponent
(a) (7/9) -7×(7/9)-7
(b) (3/5)-5×(3/5)-5​

Answer 1

Answer:

-21/9

Step-by-step explanation:

(a)(7/9)-7×(7/9)-7

7/9-7+×7/9-7

7/9-49/9-7/1

LCM the 9,9and 1 is =9

7-49-63/9

7-(-14)/9

-21/9