Question

Write in standard form 3×100+3×10+7×1+41/10+31/100

Answer 1

$= 3 \times 100 + 3 \times 10 + 7 \times 1 + \frac{41}{10} + \frac{31}{100} \\ = 300 + 30 + 7 + 4.1 + 0.31 \\ = 300 + 37 + 4.41 \\ = 300 + 41.41 \\ = 341.41$