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1. Find the multiplicative inverse of a) -12 b) −1519c) 19d) −79× −382. Find the additive inverse of a) −123b) 53. Verify that -(-p) = p for p = −11414. What should be added to (12+ 13) to get 4 ?5. What is the product of −613and 716?6. Verify that 23× ( −67x45) = (23x45) ×−677. Evaluate using propertiesa)(−37× 25)+(−310×−37) -(−37×730) +( 320× −37)b) Find −149× 35×−47×15168. Find five rational numbers between )13and 15b) 58and −569. Represent the following on the number line.a) 47b) −27c) 11 |
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Answer» Answer: Like animals, plants also have an OUTER covering in the form of CELL membrane. ... Therefore, a stiff outer covering is present in plant cells which PROTECTS and gives shape and RIGIDITY to the cell. This additional layer is called the cell wall. It is MADE of cellulose. |
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