Question

answer the questions​

Answer 1

1. 40+ 5+0.5

2. 4+ 0.50+ 0.6

3. 400+3+0.20+0.1

4. 4+0.5

Answer 2

45.5

4×10 + 5×1 + 5× 1/10

40+4.5/10

4.56

4×1+5×1/10+6/100

4+5/10+6/100

403.21

4×100+0+3×1+2×1/10+1/100

400+0+3+2/10+1/100

4.5

4×1+5/10

4+5/10