Answer:
14a⁴b
Step-by-step explanation:
Factors of 28a⁴b⁸c7:
2²×7×a⁴×b⁸×c⁷
Factors of 98a⁵b:
2×7²×a⁵×b
For GCF collect the common factors:
2×7×a⁴×b
GCF = 14a⁴b
