Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$\frac{77^{30+1}}{3^{7a-3a-7+15}$$

Answer

$$3.9329801560761*10^56+13^7*a-3*a+8$$

Solution


Simplify  \({77}^{30}\)  to  \(3.932980\times {10}^{56}\).
\[3.932980\times {10}^{56}+{13}^{7}a-3a-7+15\]
Collect like terms.
\[3.932980\times {10}^{56}+{13}^{7}a-3a+(-7+15)\]
Simplify.
\[3.932980\times {10}^{56}+{13}^{7}a-3a+8\]
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