Question

Please give me the answer in step by step ​

Answer 1

Answer:

Heya! here is your answer...

Step-by-step explanation:

Using

$\boxed{ {a}^{(m + n)} = {a}^{m} \times {a}^{n} }$

${5}^{(y + 1)} = {5}^{y} \times {5}^{1}$

$Substituting \: \: {5}^{y} = k$

${5}^{y + 1} = k \times 5$

$\boxed{\huge \bold \green{ {5}^{y + 1} = 5k }}$