7059288
| Question | Answer |
| Types of Numbers | types of numbers |
| INTERGERS | whole numbers (both positive and negative, including zero |
| Prime numbers | numbers above 1 which cannot be divided by anything 1,2,3,5...divide by 8 |
| LCM | Lowest common multiple- smallest number into which they evenly divide. e.g lcm(12,18)=36 18, (36), 54 12, 24, (36) |
| HCF | highest common factor- highest number that can be divided into each of two or more numbers HCF(12,8)=4 12 :-1, 2, 3, (4), 6, 7 8 :-1, 2, (4), 8 |
| B.E.D.M.A.S | B-RACKETS E-XPONENTS D-IVISION M-ULTIPLY A-DD S-UBTRACT 3 + 4 × 5 - 4(3 + 2) 3 + 20 - 4 × 5 = 3 + 20 - 20 = 3 |
| Indices | e.g 6^2 = 6 x 6 = 36 |
| Multiplication | For numbers with the same base simply add the powers together. 2^2 x 2^3 = 2^(2 +3) = 25. |
| Dividing | when dividing indices subtract the powers e.g 4^6 divided by 4^3 = 4^7 6-3=3 |
| Raising? | multiply powers e.g (4^2)^3=4^6 2x3=6 |
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