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materi 1

Materi Web Matematika Kelas 9

Materi Pembelajaran

Julius Wilhelm Richard Dedekind

pada 12 Februari 1916, pada usia 85 asal Jerman yang sangat diperhitungkan salah satu penemu dibidang matematika. The Man and The Number Dedekind menyebutkan bahwa, angka adalah kreasi pikiran manusia dari sini Beliau menemukan konsep angka secara dari suatu label yang disebut bilangan

  1. Bilangan Berpangkat
  2. Memahami Konsep Bilangan Berpangkat
    1. Memahami Konsep Bilangan Berpangkat
    1. Menggunakan Notasi Pangkat

Perpangkatan adalah perkalian berulang dari suatu bilangan yang sama. Bilangan pokok dalam suatu perpangkatan disebut  basis dan banyaknya bilangan pokok yang digunakan dalam perkalian berulang disebut eksponen Sehingga bentuk umum dari perpangkatan adalah

Xn  = x × x × x × … × x (n bilangan bulat positif) x sebanyak n

 Bentuk Bilangan Biasa

  • Menyatakan Perpangkatan dalam Bentuk Bilangan Biasa

Berikut ini diberikan suatu besaran yang dituliskan dalam perpangkatan. Untuk masing-masing objek tuliskan kembali dalam bentuk biasa (tidak dalam perpangkatan).

  • Perkalian pada Perpangkatan
  • Mengalikan Dua Perpangkatan dengan Basis yang Sama
  • Memangkatkan Suatu Perpangkatan
  • Memangkatkan Suatu Perkalian Bilangan
  • Pembagian pada Perpangkatan
    • Membagi Dua Bentuk Perpangkatan
  • Notasi Ilmiah (Bentuk Baku)
  • Pangkat Bilangan Pecahan
    • Pangkat Bilangan Pecahan
    • Mendapatkan Sisi Kubus

Latihan  1

Tugas  Proyek

My First Blog Post

Be yourself; Everyone else is already taken.

— Oscar Wilde.

This is the first post on my new blog. I’m just getting this new blog going, so stay tuned for more. Subscribe below to get notified when I post new updates.

Introduce Yourself (Example Post)

This is an example post, originally published as part of Blogging University. Enroll in one of our ten programs, and start your blog right.

You’re going to publish a post today. Don’t worry about how your blog looks. Don’t worry if you haven’t given it a name yet, or you’re feeling overwhelmed. Just click the “New Post” button, and tell us why you’re here.

Why do this?

  • Because it gives new readers context. What are you about? Why should they read your blog?
  • Because it will help you focus you own ideas about your blog and what you’d like to do with it.

The post can be short or long, a personal intro to your life or a bloggy mission statement, a manifesto for the future or a simple outline of your the types of things you hope to publish.

To help you get started, here are a few questions:

  • Why are you blogging publicly, rather than keeping a personal journal?
  • What topics do you think you’ll write about?
  • Who would you love to connect with via your blog?
  • If you blog successfully throughout the next year, what would you hope to have accomplished?

You’re not locked into any of this; one of the wonderful things about blogs is how they constantly evolve as we learn, grow, and interact with one another — but it’s good to know where and why you started, and articulating your goals may just give you a few other post ideas.

Can’t think how to get started? Just write the first thing that pops into your head. Anne Lamott, author of a book on writing we love, says that you need to give yourself permission to write a “crappy first draft”. Anne makes a great point — just start writing, and worry about editing it later.

When you’re ready to publish, give your post three to five tags that describe your blog’s focus — writing, photography, fiction, parenting, food, cars, movies, sports, whatever. These tags will help others who care about your topics find you in the Reader. Make sure one of the tags is “zerotohero,” so other new bloggers can find you, too.

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