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2) 3^-5×7^-6×4^-3×a^2÷5^-12×3^-3×7^-4×a^5
3^-2×7^-2÷4^-9×a^3 ans.
1) (8)^-4 should be mutiplied with (8)^2 to get product 1÷64
because:
(8)^-4×(8)^2
(8)^-2
1÷(8)^2
1÷64 ans.
3^-2×7^-2÷4^-9×a^3 ans.
1) (8)^-4 should be mutiplied with (8)^2 to get product 1÷64
because:
(8)^-4×(8)^2
(8)^-2
1÷(8)^2
1÷64 ans.
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