Question

Tolong Dibantu Kaka...

Answer 1

2. 30a^9b^10
3. luas atau keliling, pertanyaannya ga lengkap
4. -9akar 5

Answer 2

(2a"')×3(a"b")"'×5b""
=25(a"'+a""")+b"""+b""
=25a9b10
lp= px l
=(3+√8)×(3+√2)
=9+√16
=9+4=13

√45-3√80
=√9×√5-3√4×√20
=3√5-3.2√20
=3√5-6√20