Escrina 5 proposiciones compuestas y diga su valor de verdad?

Bismuth-210 is an isotope that radioactively decays by about 13% each day, meaning 13% of the remaining bismuth-210 transforms into another atom (polonium-210 in this case) each day. if you begin with 233 mg of bismuth-210, how much remains after 8 days?

Solving algebraic equations 2m+3=11

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.