Question

Please answer me in steps​

Answer 1

Answer:

3*10000+9*1000+4*100+5*10

30000+9000+400+50

39450

Answer 2

$\huge\mathfrak\blue{Required \: Solution}$

3 × 10⁴ + 9 × 10³ + 4 × 10² + 5 × 10¹

=> 3 × 10000 + 9 × 1000 + 4 × 100 + 5 × 10 + 0 × 1

=> 30000 + 9000 + 400 + 50 + 0

=> 39450

Therefore, 3 × 10⁴ + 9 × 10³ + 4 × 10² + 5 × 10¹ in standard form is 39450.