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Let's look at what makes this question more difficult than, say, 0.5 or 0.01: as the decimal is recurring, you can't just multiply and divide by a big number to get a fraction. Example: multiply 0.01 time...

To sound more spanish you need to listen to it more and imitate it. Try to sing along to song, play lyric version of songs on Youtube for example. To find the song with lyrics you may need to type the nam...

One is formal and one is informal. "Tu" is used amongst friends and family, whereas "vous" is used for most people who are older than you by at least 5 years. In school, students say &...

Key points: Approach in exactly the same way as if there was an = instead of an <.When trying to solve the inequality, remember that whatever you do to one side of the inequality you must also do to th...

i) Marble chips are made from calcium carbonate.Hydrochloric acid + calcium carbonate -> Calcium chloride + water + carbon dioxideii) The rate of reaction can be increased by increasing the concentrati...