Page 26 - Steady Mate Tg1 - Book A
P. 26
Matematik Tingkatan 1 Bab 3 Kuasa Dua, Punca Kuasa Dua, Kuasa Tiga dan Punca Kuasa Tiga
Contoh 3 2 3 3 1 2 7 2
1 2 1 2
5. 1 2 = 8 × 8 6. 2 3 = 3
8
1 2 2 = 5 × 5 9 = 7 × 7
5
6
6
6
=
64 3 3
25
= 49
36 =
9
4
= 5
9
Contoh 7. 96 = 9 216 8. 108 = 11 664
2
2
67 = 4 489
2
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6 7 x =
2
Contoh 9. (– 0.88) = 0.7744 10. (–1.23) = 1.5129
2
2
2
(–7.7) = 59.29
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2
( – 7 • 7 ) x =
Contoh 19 2 361 5 2 25
1
1
11. – 31 2 = 961 12. – 6 12 2 = 41 144
1 – 23 2 2 = 529
29
841
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2
( – 2 3 / 2 9 ) x =
D Cari nilai bagi setiap yang berikut. TP 2 ARAS R
Find the value of each of the following.
Contoh 1. 36 = 6 × 6 2. 81 = 9 × 9 3. 196 = 14 × 14
= 6 = 9 = 14
169 = 13 × 13
= 13
Contoh 4. 4.41 = 2.1 × 2.1 5. 0.49 = 0.7 × 0.7 6. 0.0025 = 0.05 × 0.05
= 2.1 = 0.7 = 0.05
1.44 = 1.2 × 1.2
= 1.2
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