Page 263 - Matematik Tingkata 3

UJI MINDA 3. (a) 3 (b) 0 (c) –8
1.2h (d) –5 (e) 5 (f) 2
81 ( )
m 5 – 3 – 3 – 2 – – 3 – 2 3 (g) 2 (h) –1 (i) 1
h
16 4
—
a n – 729 6 121 2 w 7 x 5 ( ) —
k
1
–
16
h
3 4
1 1 1 – 1 (x ) [( )] [( )] 1 – Masteri Kendiri
1
2 3
–
–
m
(a ) n – (729 ) (121 ) (w ) – 2 5 — — 1. (a) 1 000 (b) 500 000 (c) 50
3 7
5 6
3 2
81
k
2. (a) — (b) — (c) 15
3
3
– 2
1
– 3
1
h
1 1 1 – 1 (x ) [( ) ] [( ) ] 4 2
1
–
–
–
5

(a ) m (729 ) (121 ) 3 (w ) 3 5 2 — — 3 3. (a) –1, 6 (b) 1, –7 (c) –1, 4
16 4
– n
2
6
7
k
81
2
1
( ) ( )
h
—
n √ a 6 √729 5 √121 3 7 √ w 3 5 √ x 2 4 16 3 3 — 2 4. (a) x = —, y = 2 (b) x = 1, y = – —
m
3
6
k
81
( √ a ) ( √729) (√121) ( w ) ( x ) ( —) 3 ( —) 2 5. 12°C 6. RM27 130 7. RM61 462.77
3 h
4 16

3
7
3
5
2
5
n
m 6
√
√
k
BAB 2 Bentuk Piawai
81
UJI MINDA 2.1a
UJI MINDA 1.2i
1. (a) 9 (b) 4 (c) 4 (d) 8 1. (a) 2 a.b. (b) 5 a.b. (c) 5 a.b. (d) 4 a.b.
(e) 256 (f) 16 (g) 216 (h) 343 (e) 2 a.b. (f) 5 a.b. (g) 4 a.b. (h) 6 a.b.
(i) 7 (j) 1 331 (k) 169 (l) 1 000 UJI MINDA 2.1b
— 4
2
2
4
1
1
2. (a) √6 561 , 3 , 9 , 81 , 243 , 27 — 4 3 1. (a) 47 200 47 000 50 000
5
3
3
— 3
—
1
3
— 2
(b) 25 , 125 , 625 , √15 625 , 3 125 , 5 (b) 5 260 5 300 5 000
1
4
2
5
(c) 306 310 300
UJI MINDA 1.2j (d) 20.7 21 20
c 7 10x (e) 8.60 8.6 9
6
1. (a) — (b) mn (c) —– (f) 5.90 5.9 6
de 3z 2
1 (g) 0.694 0.69 0.7
2. (a) ——– (b) 648 (c) 86 400 (h) 0.0918 0.092 0.09
2 401 (i) 0.00571 0.0057 0.006
7
125
(d) — (e) 81 (f) —– 2. (a) 12.02 (b) 2.83 (c) 11.1
54 8 (d) 24 (e) 6.61 (f) 13
3. 3 456 4. 48 (g) 20 (h) 36.0
Cabaran Dinamis UJI MINDA
2.2a
Uji Diri 1. (a) 3.5 × 10 (b) 4.81 × 10
2
1
1
3
1. (a) Benar (b) Palsu (25) (c) Palsu (1) (c) 5.075 × 10 (d) 9.725 × 10
–1
3
2 (e) 3.1243 × 10 (f) 9.0 × 10
15
(d) Palsu (32x ) (e) Benar (f) Palsu — (g) 2.3 × 10 (h) 3.75 × 10
–1
–2
( ) 4
a
(
1
2
5
(g) Palsu [( √32) ] (h) Benar (i) Palsu ——– ) 2. (a) 2.5 (b) 37.5 (c) 423
(f) 0.62
(d) 5 070
(e) 91 000

625 m

2. 5 × 5 5 5 3( 3 ) 3. (g) 0.0729 6 (h) 0.001034 (i) 0.0008504
4
11
(b) 2.16 × 10 bait
(a) 1.05 × 10 meter
11
–5
12
5 ÷ 5 3 ( √25) 9 (c) 7.5 × 10 liter (d) 9.5 × 10 meter
–7
(e) 1.23 × 10 meter (f) 8.9 × 10 –17 meter
1
(—) –9 ( 3 √125) 9 UJI MINDA 2.2b
5
6
4
5 × 5
6
5
6
(5 ) – 3 2 ———– 1. (a) 5.97 × 10 8 (b) 3.93 × 10 5

(c) 1.021 × 10
(d) 1.574 × 10
2
5
4
8
1
—–
1
(h) 1.08 × 10
—– ( ) 3 (e) 5.46 × 10 (f) 8.59 × 10
–3
4
(g) 5.77 × 10
–3
5 –9 5 (i) 6.09 × 10 (j) 9.91 × 10
–5
–3
–4
3
3. —– ( ) –2 (k) 7.68 × 10 (l) 8.685 × 10 –6
1
—
–1
2 0 as 3 4 as 5 as 7 × 5 as (5 × √25) 3
–
2 –3
5 2
1 3 4 ( — ) 7 2 1 UJI MINDA 2.2c
—
3
5 3
–8
8
Mahir Diri 1. (a) 1.48 × 10 (b) 3.75 × 10
8
3
n 7 4 7 2 (c) 2.52 × 10 (d) 2.12 × 10
x y
1. (a) —– (b) —— (c) xy (e) 4.5 × 10 (f) 6.4 × 10
3
–3
m 2 3 8
4 25 (g) 2.95 × 10 (h) 8.6 × 10 Saiz sebenar
2. (a) —– (b) — (c) 1 (d) 2 (e) 7 (f) 1 2. 3.126 × 10 3. 63 4. 10 mikrometer
3
3
125 7
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