Question

Resolva as operações convertando as unidades de medidas para metros.
A) 1km+200m+5cm
B) 40hm+5km-50cm
C) 90km+15dam-20cm
D) 500dm+200m+25cm-250mm

Answer 1

1km (quilômetro) =1000m

1h (hectômetro) =100m

1dam (decâmetro)= 10m

1m (metro)=1m

1dm (decímetro) = 1/10m

1cm (centímetro)=1/100m

1mm (milímetro)=1/1000m

A)

1(1000)+200+5(1/100)

1000+200+0,05

1200,05m

B)

40(100)+5(1000)-50(1/100)

4000+5000-0,5

8999,5m

C)

90(1000)+15(10)-20(1/100)

90000+150-0,2

90150-0,2

90149,8m

D)

500(1/10)+200+25(1/100)-250(1/1000)

50+2000+0,25-0,25

2050m