1) Find the answer: √5 n3×√5 n =
√5 n3×√5 n = √52 n4 = 5 n2
2) Find the answer: √35 p7×√14 p3 =
√35 p7×√14 p3 = √5×7 p7×√2×7 p3 = √5×72×2 p2×5 = 7 p5 √5×2 = 7 p5 √10
3) Find the answer: √48 m10×√9 m5 =
√48 m10×√9 m5 = √3×42 m10×√32×m5 = √33×42 m2×7×m = 3×4 m7 √3×m =12 m7 √3 m
4) Find the answer: √30 r9×√24 r2 =
√30 r9×√24 r2 = √5×3×2 r9×√23×3 r2 = √5×32×24 r2×5×r = 7 p5 √5×r= 3×22 r5 √10 = 12 r5 √10
5) Find the answer: √14 m11×√7 m7 =
√14 m11×√7 m7 = √2×72 m18 = 7 m9 √2
6) Find the answer: √18 x18×√27 x11 =
√18 x18×√27 x11 = √2×32 x18×√33 x11 = √2×35 x28×x = 32 x14 √2×3×x= 9 x14 √6x
7) Find the answer: √12 z16×√8 z6 =
√12 z16×√8 z6 = √3×25 z22 = 4 z11 √6
8) Find the answer: √21 x10 y2×√63 x3 y7 =
√21 x10 y2×√63 x3 y7 = √33×72 x13 y9 = 3×7 x6 y4 √3 x y = 21 x6 y4 √3 x y
9) Find the answer: √66 q9 p7×√22 q7 p8 =
√66 q9 p7×√22 q7 p8 = √2×3×112 q16 p15 = 11 q8 p7 √2×3 p = 11 q8 p7 √6 p
10) Find the answer: √17 t5 r6×√51 t3 r2 =
√17 t5 r6×√51 t3 r2 = √3×172 t8 r8 = 17 t4 r4 √3