Algebra uses letters to represent unknown values ... you need to know to be able to use algebraic notation. When multiplying x, we don't use the multiplication symbol. Put the number in front ...

1. When multiplying, ADD the indices \(a^3 \times a^2 = a^5\) \(2^3 \times 2^2 = 2^5 = 32\) 2. When dividing, SUBTRACT the indices \(a^5 ÷ a^2 = a^3\) \(3^5 ÷3^2 = 3^3 = 27\) 3. When the power ...

He revolutionised algebra and his seminal works in mathematics ... multiplication method of multiplying large numbers. His lattice method was introduced into Europe by Italian mathematician ...