Tolong kak besok di kumpulin
Jawaban:
1. (-45) + (-19) x 20
= (-45 - 19 ) x 20
= -64 × 20
= -1280
2. a. 14
b. (14×20) + (14 × 19)
= 280 + 266
= 546
3. 6/20 × 100%
= 600/20 %
= 30%
4. 0,2 + 4/5
= 2/10 + 4/5
= 2/10 + 8/10
= 10/10
= 1
5. 3^6 × 3^-3
= 3^6-3
= 3³
atau
= 27
6. 1/2^-5 = 2^5
7. 3p² × 7p^-2
= (3×7)p^2+(-2)
= 21p^2-2
= 21
8. 18 = 2 × 3²
24 = 2³ × 3
FPB = 2 × 3 = 6
9. n(B) = 7
10. n(R) - n(S) × 2
= 8 - 5 × 2
= 8 - 10
= -2
MAAF KLO SALAH
Jawaban:
jawaban tertera diatas
Penjelasan dengan langkah-langkah:
maaf ga keisi semua soalnya lumayan lupaa:(
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