Question

Tenho 1000 reais e vou aplicar no caderneta de pontanca com 4% ao mes durante um ano​

Answer 1

$\boxed{\begin{array}{l}\sf t=1~ano=12~meses\\\sf i=4\%a\cdot m=0,04\\\sf M=C\cdot(1+i\cdot t)\\\sf M=1000\cdot(1+0,04\cdot12)\\\sf M=1000\cdot(1+0,48)\\\sf M=1000\cdot1,48\\\sf \blue{ M=R\ 1480,00}\green{\checkmark}\end{array}}$