а)(2×10)³=20³=8000;
б)(2×5)⁴=10⁴=10000;
в)(3×100)⁴=300⁴=8100000000;
г)(5×7×20)²=(35×20)²=700²=490000.
а)(2×10)³=20³=8000;
б)(2×5)⁴=10⁴=10000;
в)(3×100)⁴=300⁴=8100000000;
г)(5×7×20)²=(35×20)²=700²=490000.