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PTS MATEMATIKA GANJIL KELAS 9

Authored by Uning Pontjolastri

Mathematics

9th Grade

Used 5+ times

PTS MATEMATIKA GANJIL KELAS 9
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43 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 5 pts

Hasil pemangkatan dari 5−3=...5^{-3}=...  

−125-125  

−15-15  

115\frac{1}{15}  

1125\frac{1}{125}  

2.

MULTIPLE CHOICE QUESTION

3 mins • 5 pts

2 8\sqrt{8} −-  15 2\sqrt{2}   ==  ...

−112-11\sqrt{2}  

−132-13\sqrt{2}  

13613\sqrt{6}  

17617\sqrt{6}  

3.

MULTIPLE CHOICE QUESTION

3 mins • 5 pts

Pernyataan berikut ini adalah sifat-sifat bilangan pangkat, kecuali ...

a0=1a^0=1

an×bn=(ab)na^n\times b^n=\left(ab\right)^n

am+an=am+na^m+a^n=a^{m+n}

(am)n=amn\left(a^m\right)^n=a^{mn}

4.

MULTIPLE CHOICE QUESTION

3 mins • 5 pts

Bentuk sederhana dari 90\sqrt{90}  adalah ....

30

9 10\sqrt{10}  

3 30\sqrt{30}  

3 10\sqrt{10}  

5.

MULTIPLE CHOICE QUESTION

3 mins • 5 pts

Ubalah kedalam bentuk akar a52=..a^{\frac{5}{2}}=..  

a5=...\sqrt{a^5}=...  

a2\sqrt{a^2}  

a3\sqrt{a^3}  

1a3\frac{1}{\sqrt{a^3}}  

6.

MULTIPLE CHOICE QUESTION

3 mins • 5 pts

Ubalah kedalam bentuk akar a52=..a^{\frac{5}{2}}=..  

a5=...\sqrt{a^5}=...  

a2\sqrt{a^2}  

a3\sqrt{a^3}  

1a3\frac{1}{\sqrt{a^3}}  

7.

MULTIPLE CHOICE QUESTION

3 mins • 5 pts

Setiap jantung manusia rata-rata memompa sekitar 8×10−28\times10^{-2}    liter darah dalam setiap detak jantung. Dalam tiap menitnya rata-rata jantung manusia berdetak 70 kali. Darah yang dipompa oleh jantung dalam waktu 1 menit adalah …. liter

5,65,6  

5,6×10−15,6\times10^{-1}  

5,6×10−25,6\times10^{-2}  

5,6×10−35,6\times10^{-3}  

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