Page 33 - Steady Mate Tg1 - Book A

Matematik Tingkatan 1 Bab 3 Kuasa Dua, Punca Kuasa Dua, Kuasa Tiga dan Punca Kuasa Tiga

K Cari nilai bagi setiap yang berikut. TP 2 ARAS R
Find the value of each of the following.

Contoh 1. 9 = 9 × 9 × 9 2. 5 = 5 × 5 × 5
3
3
= 729 = 125
3
2 = 2 × 2 × 2
= 8
Contoh 3. 0.4 = 0.4 × 0.4 × 0.4 4. 1.2 = 1.2 × 1.2 × 1.2
3
3
= 0.064 = 1.728
0.3 = 0.3 × 0.3 × 0.3
3
= 0.027
Contoh 5. 1 2 3 = 4 × 4 × 4 6. 2 1 3 = 5 3
1 2 1 2
4
2
7
7
7
2
7
1 2 3 = 3 × 3 × 3 = 64 = 5 × 5 × 5
3
5
5
5
5
27 343 2 2 2
= 125
125 =
8
5
= 15
8
L Cari nilai bagi setiap yang berikut menggunakan kalkulator. TP 2 ARAS R
Find the value of each of the following using a calculator.
3
3
Contoh 1. 27 = 19 683 2. 38 = 54 872
19 = 6 859
3
Guna kalkulator, tekan
Use calculator, press
1 9 x =
3
3
Contoh 3. (– 4.1) = – 68.921 4. (– 0.16) = – 0.004096
3
(–2.5) = –15.625
3
Guna kalkulator, tekan
Use calculator, press
( – 2 • 5 ) x =
3

1
1
Contoh 5. – 12 2 3 = – 1 728 6. – 4 3 2 3 = –97 125
343
7
42
5
1 – 11 2 3 = – 1 331
512
8
Guna kalkulator, tekan
Use calculator, press
3
( – 8 / 1 1 ) x =

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