Marina correctly simplified the expression , her simplifed expression is below.

the exponent of the variable b in marina’s solution should be what?

The expression can be simplified by using arithmetic operations and the value of power of b is equal to 7 and this can be determinne by compairing thee simplified expression with the given expression.

Given :

Expression -  

Following steps can be use to simplify the above expression:

Step 1 - Multiply numerator and denominator by .

Step 2 - Multiply numerator and denominator by .

Step 3 - Now, divide 4 by 8.

By compairing the above expression by the given expression it can be concluded that the value of power of b is equal to 7.

For more information, refer the link given below:

link

his chances of getting a coin of higher value is 4/19

step-by-step explanation: