tolong bantu jawab ya, pakai cara ya
Jawaban:
5. (3 × 10^-4) ÷ (3 × 10^-2)
= (3 ÷ 3)(10^-4 ÷ 10^-2)
= 1 (10^-4 - (-2))
= 10^-4 + 2
= 10^-2 [D]
6. √75 - 4√27 + √48
= √25 × 3 - 4√9 × 3 + √16 × 3
= 5√3 - 12√3 + 4√3
= -3√3 [D]
7. 8√5 × √6 ÷ 4√3
= 8√30 ÷ 4√3
= 2√10 [A]
8. (5√3 - 2)(5√3 + 2)
= 75 + 10√3 - 10√3 - 4
= 75 - 4
= 71 [B]
Answer By : @mlk39
[answer.2.content]
