Matematika

Pertanyaan

Kerjakanlah
1) 20 hm³=... Liter
2)850 dl =... Liter
3)200 dm=.... a
4)10 hm²=.... a
5)4½ hm — 950 dl =.... !liter
Pake cara kerja yah .... Tolong dibantu yah guys soalnya mau dikumpul besok trima kasih :)

1 Jawaban

  • 1) 1 liter= 1dm³
    20hm³= 20*1000000000
    20hm³=20000000000dm³
    20hm³= 20000000000liter

    2) 850dl= ... liter
    850dl= 850:10
    850dl= 85 liter

    3) 1hm²=1ha
    1hm²= 1hm*1hm

    200dm= 200*1000
    200dm=200000hm

    x hm²=200000hm*200000hm
    x hm²=40000000000hm²
    x = 40000000000

    40000000000hm²= 40000000000ha

    40000000000ha= ...a
    40000000000ha= 40000000000/100
    40000000000ha= 400000000a

    maka
    200dm= 400000000a

    4) 10hm²=...a
    10hm²= 10ha
    10ha= 10/100
    10ha=0,1a

    maka
    10hm²= 0,1a

    5) 4½hm-950dl=... liter
    1hm³= 1hm*1hm*1hm
    xhm³=(4,5*4,5*4,5)hm³
    x = 91,125

    4½hm= 91,125hm³
    91,125hm³= 91,125*1000000000
    91,125hm³= 91125000000dm³
    91,125hm³= 91125000000liter

    950dl= 950/10
    950dl= 95 liter

    91125000000liter - 95liter
    = 91124999905liter

    maaf kalau salah ya :'v

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