help for question 4,5,6
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(4)
(343-⅔)^3/2
→ (343(3) -⅔)^3/2
→ [(1029-2)/3]^3/2
→ (1027/3)^3/2
(5)
(⅓)^-3 × (⅓)^-1
a^m×aⁿ = a^m+n
→ (⅓)^-3+(-1)
→ (⅓)^-4
(1/a)^-n = aⁿ
→ 3⁴
→ 81
(6)
(a) 2³×2^-2
→ 2^3+(-2)
→ 2¹
→ 2
(b) 4^½ × 9^½
→(2²)^½ × (3²)^½
→2¹×3¹
→ 6
Hope it helps
(343-⅔)^3/2
→ (343(3) -⅔)^3/2
→ [(1029-2)/3]^3/2
→ (1027/3)^3/2
(5)
(⅓)^-3 × (⅓)^-1
a^m×aⁿ = a^m+n
→ (⅓)^-3+(-1)
→ (⅓)^-4
(1/a)^-n = aⁿ
→ 3⁴
→ 81
(6)
(a) 2³×2^-2
→ 2^3+(-2)
→ 2¹
→ 2
(b) 4^½ × 9^½
→(2²)^½ × (3²)^½
→2¹×3¹
→ 6
Hope it helps
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