Update index.html

Author: Gmac4247

index.html

@@ -224,7 +224,7 @@ <h3 itemprop="name">Numeric Systems</h3>
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 <p>(2 × 10³) + (0 × 10²) + (2 × 10¹) + (5 × 10⁰) = 2025</p>	
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-<p itemprop="usageInfo">Basic Geometry uses Arab numbers and the decimal system, but there are other numbers and numeral systems in use.</p>
+<p itemprop="usageInfo">Basic Geometry uses Arab numerals and the decimal system, but there are other numbers and numeral systems in use.</p>
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 <p>Example #2 - The year 2025 in the binary system:</p>
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@@ -575,7 +575,7 @@ <h3 itemprop="name">Dividing Fractions</h3><br>
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 2³ = 2^3 = 2 × 2 × 2 = 8</p>
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-<p style="margin:12px" itemprop="description">Raising a value to a negative power means the reciprocal of the 4th power.</p>
+<p style="margin:12px" itemprop="description">Raising a value to a negative power gives a reciprocal.</p>
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 <p style="margin:12px">Example #2: 
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