**Question:**

Solve

**Solution:**

Using calculator, and **leaving answers to at least 4 s.f.**,

Lg both sides,

(3 s.f.)

**Check answer (to prevent careless mistakes):**

Since LHS=RHS, we have checked that our answer is valid.

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# Logarithm and Exponential Question: A Maths Question

**Question:**

Solve

**Solution:**

Using calculator, and **leaving answers to at least 4 s.f.**,

Lg both sides,

(3 s.f.)

**Check answer (to prevent careless mistakes):**

Since LHS=RHS, we have checked that our answer is valid.

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