Question

me ajudem
$3 \times {10}^{4} + 7 \times {10}^{3} + 2 \times {10}^{2} + 9 \times 10 + 4$
$8 \times {10}^{4} + 5 \times {10}^{2} + 6 \times 10 + 1$
me ajudem​

Answer 1

fica assim

3.10 000+7.1 000+2.100+9=

30 000+7 000+200+9=37 209

A outra

8.10 000+5.100+6.10+1=

80 000+500+60+1=80 561

bons estudos