1.

Is 135 a perfect cube?

Answer»

  • ᴛʜᴇ ᴘʀɪᴍᴇ ғᴀᴄᴛᴏʀs 5 ɪs ɴᴏᴛ ᴘʀᴇsᴇɴᴛ ᴀs ᴛʀɪᴘʟᴇs. ʜᴇɴᴄᴇ, ᴡᴇ ᴅɪᴠɪᴅᴇ 135 ʙʏ 5, sᴏ ᴛʜᴀᴛ ᴛʜᴇ ᴏʙᴛᴀɪɴᴇᴅ ɴᴜᴍʙᴇʀ ʙᴇᴄᴏᴍᴇs ᴀ ᴘᴇʀғᴇᴄᴛ ᴄᴜʙᴇ. 135÷5=27=33 135 ÷ 5 = 27 = 3 3 ɪs ᴀ ᴘᴇʀғᴇᴄᴛ ᴄᴜʙᴇ.


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