Latihan Topikal - Indeks

1 Nyatakan dalam tatatanda indeks.

[3 markah]Jawapan:

2 Hitung 78 ÷ 76.

[3 markah]Jawapan:

3 Nyatakan 34 sebagai darab berulang suatu nombor.

[2 markah]Jawapan:

4 Cari nilai 2.

[2 markah]Jawapan:

5 Cari nilai 3.

[2 markah]Jawapan:

6 Hitung 49 × 7 × 47 × 5.

[3 markah]Jawapan:

7 Tulis 4 × 3 ÷ 3 dalam bentuk termudah.

[3 markah]

Jawapan:

8 Cari nilai 5 × 2 × 5 × 2.

[3 markah]Jawapan:

9 Diberi 3 × 3k + 1 = 37 × 34, cari nilai k.

[3 markah]Jawapan:

10 Hitung 9 × 4.

[3 markah]Jawapan:

11 Permudahkan 4h8 × 2h × h2 × 5h7.

[3 markah]Jawapan:

12 Hitung .

[3 markah]Jawapan:

13 Permudahkan .

[3 markah]Jawapan:

14 Hitung 24 × 4 × 27 × 6.

[3 markah]Jawapan:

15 Permudahkan .

[3 markah]Jawapan:

16 Nilaikan .

[4 markah]Jawapan:

17 Permudahkan .

[4 markah]Jawapan:

18 Nyatakan 6s6 × t7 × 2s2 × 4t6 dalam bentuk termudah.

[3 markah]Jawapan:

19 Permudahkan 2 ÷ 4s5t.

[3 markah]Jawapan:

20 Permudahkan × .

[4 markah]Jawapan:

Answer:

1= × = 2

2 78 ÷ 76

= 78 6

= 72

3 34 = 3 × 3 × 3 × 3

4 2

= × =

5 3

= = = 27

6 49 × 7 × 47 × 5

= 49 × 542 × 47 × 545

= × = 42 × 53

=

7 4 × 3 ÷ 3

= 68 × 66 ÷ 66

= 68 + 6 6

= 68

8 5 × 2 × 5 × 2= × = 53 × 22

= 500

9 3 × 3k + 1 = 37 × 34

3k + 1 + 1 = 37 + 4

3k + 2 = 311

∴ k + 2 = 11k = 11 2k = 9

10 9 × 4= × = 3 × 2= 3 × 2

= 6

11 4h8 × 2h × h2 × 5h7

= × = 40 × h8 + 1 + 2 + 7

= 40 × h18

= 40h18

12= = = 23 (1) 3

= 2

13= × = 3 × y5 3

= 3y2

14 24 × 4 × 27 × 6

= 24 × 532 × 27 × 530

= × = 23 × 52

=

15= × × = 3 × s5 5 × t5 (5)

= 3s10t10

=

16= = = = = = 4

17= = = = = × × = × m19 7 × n15 8

= m12n7

18 6s6 × t7 × 2s2 × 4t6

= × × = 48 × s6 + 2 × t7 + 6

= 48s8t13

19 2 ÷ 4s5t= = = 4 × × = 4 × s10 5 × t2 1

= 4s5t

20 × = × × × 7 × m7 × n6

= 5 × m4 × n4 × 7 × m7 × n6

= × × = 35 × m4 + 7 × n4 + 6

= 35m11n10