Page 66 - Hybrid PBD 2021 Form 1 - Matematik

Matematik Tingkatan 1 Bab 3
23. Cari nilai bagi setiap yang berikut tanpa menggunakan kalkulator. SP 3.2.5 TP2
Find the value of each of the following without using a calculator.

(a)  (b) 
0.001
0.027
3
3
3 
–8
0.1 × 0.1 × 0.1
0.3 × 0.3 × 0.3
3
3
(–2) × (–2) × (–2)
=  =  = 
3
= –2 = 0.3 = 0.1

1
216
(c)  (d) 3 3 (e) 
–
3
3
3
8
343
27
27
1
1
1
    
6
6
6
3
– × – × –
=  =  = 3  
8
× ×
3
3
3
3
7
7
7
3
3
3
6 = 3  = – 1
× ×
= 2 2 2 3
7
= 3
2
24. Cari nilai bagi setiap yang berikut dengan menggunakan kalkulator. Berikan jawapan anda betul kepada dua
tempat perpuluhan. SP 3.2.6 TP2
Find the value for each of the following by using a calculator. Give your answers correct to two decimal places.
(a)  (b) 
24
–0.727
3
3
3  = −0.90 = 2.88
2 018
= 12.64
0.005

1
3
(c)  (d) 60 3 (e) 
–
3
3
5
7
= 0.17
= −0.58 = 3.92
25. Anggarkan nilai bagi setiap nombor yang berikut. SP 3.2.7 TP2
Estimate the value of each of the following numbers.
500
1 360
3
3
3  (a)  (b) 
77
64  77  125 343  500  512 1 331  1 360  1 728
1 331
1 360
1 728
500
512
343
3
3
3
3
3
125
77
64
3
3
3      3          
1 360
500
3
3
4    5 7    8 11    12
77
3
1 360
500
3   4 3   8 3   11
77
26. Hitung nilai bagi setiap yang berikut. SP 3.2.9 TP3
Calculate the value for each of the following.
1
4 
0.729  
0.04
(a) 0.5 +  –  (b)  – 1 2 + 441
2
3
3
–3 + 64 × (–2) 2 64 16
3
= –27 + 8 × 4 1 = 0.9 – 1 + 21
= –27 + 32 = 0.25 + – 0.2 16 4
4
= 5 = 0.3 = 6.0875
1
–343
512

3
(c)  – –3 +  2 (d)  ÷ (–4) 2 (e) 3  × 2 2
3
1 000
2
= [8 ÷ (–4)]
2
 4
 
= 10 – – 5 2 = (–2) 2 –7 × 4
2
25 = 4 = 2
= 10 – 4 = –14
4 1 3
= 9 – 6 = 3
4 4 4
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