Question

E represents a number. For example, if E is 5, EE equals 55 and 4E equals 45. If 1E x E = 9E, what*
0
1
5
6

Answer 1

Answer:

To solve an exponential equation, take the log of both sides, and solve for the variable. Ln(80) is the exact answer and x=4.38202663467 is an approximate answer because we have rounded the value of Ln(80).. Check: Check your answer in the original equation.

Answer 2

The value of E is (a) 0.

Given: E represents a number.

           E x E = 9E

To Find: The value of E.

Solution:

• It is said that E represents a number.

• E can be any positive or negative integer. It holds a particular value till the end of the numerical.

Coming to the numerical, we are given,

If E = 5, then EE = 55

or,  4E = 45

So, the equation given to us is;

             E x E = 9E

        ⇒ E² - 9E = 0

        ⇒ E × ( E - 9 ) = 0

        ⇒ E = 0, 9

From the given equation, we can see that, E can take the values of either 0 or 9.

Now, the value of E according to the answers given in the options is 0.

Hence, the value of E is (a) 0.

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