Name the following alkane: (Type your response). Br Cl

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Can you please answer the question #2? Thanks

What is the name of the IUPAC compound shown here?  (see attatchement)    First time you guys answered it was wrong, trying again.  **** The answer 3-methylbut-1-ene you gave yesterday was WRONG . Please help with correct answer.    This is what the question has as well: Alkanes are called saturated hydrocarbons because each carbon atom has the maximum number of hydrogen atoms. In contrast, alkenes and alkynes are unsaturated because they contain double or triple bonds that reduce the number of hydrogen atoms in the compound. When naming unsaturated hydrocarbons, a suffix reflects the type of multiple bond in the compound: ene is used for alkenes (double bond), and yne is used for alkynes (triple bond). For cyclic alkenes and alkynes, the ring is numbered such that the double or triple bond is between the first two carbon atoms. For straight-chain molecules, the numbering starts at one end of the chain, so the location of the double or triple bond must be specified in the name.