How do I do such thing?

a= -5

Explanation:

Rewrite the equation to be: 3^a=3^-1 / 3^4

Multiply by adding exponents :))

which would then be 3^a = 3^-5

Then, since the bases are the same then the a would equal negative (-) 5. :))

Hope this helps :)) Plz mark brainlest :))

i can you, i love poetry

25 questions , because they start with 100.  

350-100=250 .  

. 250/10=25

step-by-step explanation:

first take off 100, then what x 10 = 250? that is your answer. (25)