Answer:
49t²r³
Step-by-step explanation:
Hello!
6r is multiplied by 7r³ to get to 42r^4. To keep a fraction proprtional, both numerator and denominator must be multiplied by the same amount.
We have to multiply 7t² by 7r³ to find the missing value.
Multiply:
The missing value is 49t²r³
