7² × 8²
11² × 13²
13² × 4²
= 7 × 7 × 8 × 8
= 49 × 8 × 8
= 49 × 64
= 3136
/////////////////////////////////////////////////////////////
= 11 × 11 × 13 × 13
= 121 × 13 × 13
= 121 × 169
= 20449
= 13 × 13 × 4 × 4
= 169 × 4 × 4
= 169 × 16
= 2704
1. 7²×8²=3.136
2. 11²×13²=20.449
3. 13²×4²=2.704
1.=7²×8²
=(7×7)×(8×8)
=49×64
=3.136
2.=11²×13²
=(11×11)×(13×13)
=121×169
=20.449
3.=13²×4²
=(13×13)×(4×4)
=169×16
=2.704
Mapel:Matematika
Kelas:9 - SMP
Materi:Bab 1 - Perpangkatan dan bentuk akar
Kata kunci:Bialngan berpangkat,Perkalian
Kode:9.2.1
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SOAL
7² × 8²
11² × 13²
13² × 4²
JAWABAN
7² × 8²
= 7 × 7 × 8 × 8
= 49 × 8 × 8
= 49 × 64
= 3136
/////////////////////////////////////////////////////////////
11² × 13²
= 11 × 11 × 13 × 13
= 121 × 13 × 13
= 121 × 169
= 20449
/////////////////////////////////////////////////////////////
13² × 4²
= 13 × 13 × 4 × 4
= 169 × 4 × 4
= 169 × 16
= 2704
Jawaban:
1. 7²×8²=3.136
2. 11²×13²=20.449
3. 13²×4²=2.704
Pembahasan:
1.=7²×8²
=(7×7)×(8×8)
=49×64
=3.136
2.=11²×13²
=(11×11)×(13×13)
=121×169
=20.449
3.=13²×4²
=(13×13)×(4×4)
=169×16
=2.704
Detail:
Mapel:Matematika
Kelas:9 - SMP
Materi:Bab 1 - Perpangkatan dan bentuk akar
Kata kunci:Bialngan berpangkat,Perkalian
Kode:9.2.1