Subject: Maths, asked on 14/2/18

## Solution of both enrichment questions Q.1. If ${9}^{x}×{3}^{2}×{\left({3}^{\frac{-x}{2}}\right)}^{-2}=\frac{1}{27}$, find x. Q.2. By what number should ${\left(\frac{-3}{2}\right)}^{-3}$ be divided so that the quotient may be ${\left(\frac{-8}{27}\right)}^{-2}$.

Subject: Maths, asked on 12/2/18

## Answer quick to be there. Please?: Q 16. Simplify by using laws of exponents ${\left(\frac{16}{625}\right)}^{\frac{-2}{4}}×{\left(\frac{243}{32}\right)}^{-\frac{3}{5}}$

Subject: Maths, asked on 5/2/18

## Solve this: Q. Find the remainder $\frac{{1}^{2013}+{2}^{2013}+{3}^{2013}+.........+{2014}^{2013}}{2013}$

Subject: Maths, asked on 4/2/18

## Pls answer the 4th question the exponent one asap Q.4. Simplify and express as positive exponent ${\left(\frac{{2}^{8}}{8}\right)}^{-2}$.

Subject: Maths, asked on 1/2/18

## Solve this: Q). $\frac{16×{2}^{x+1}-4×{2}^{x}}{16×{2}^{x+2}-2×{2}^{x+2}}$

Subject: Maths, asked on 1/2/18

## Q. Simplify : ${\left(\frac{2}{9}\right)}^{-5}×{\left(\frac{2}{9}\right)}^{3}$ Q. Simplify the following and express with positive exponents : - a. ${\left(\frac{1}{9}\right)}^{3}×{\left(\frac{1}{9}\right)}^{-5}$                   b. ${\left|{\left(\frac{5}{4}\right)}^{-1}×{\left(\frac{2}{5}\right)}^{-1}\right|}^{-1}$ Q. Find the value of x, if ${\left(\frac{2}{3}\right)}^{-5}×{\left(\frac{2}{3}\right)}^{12}={\left(\frac{2}{3}\right)}^{3x-2}$

Subject: Maths, asked on 31/1/18

## Why a number n raised to the power 0 is equal to 1 ? How can itbe proved? Please answer properly.

Subject: Maths, asked on 5/1/18

## find k if 5k + 5k-1 = 750

Subject: Maths, asked on 5/1/18

## evaluate 255 x 260 - 297 x 218

Subject: Maths, asked on 5/1/18

## express the following numbers in usual form a)4.32 x 105 b)6.45 x 10-4

Subject: Maths, asked on 5/1/18

## Find the value of x, when  a)5-5 x 52x + 1 = 513/57 b){[(2/5)2]4​} = {[(2/5)-2]x - 1}-3

Subject: Maths, asked on 5/1/18

## evaluate 93 x 27 x (81)4/3-2 x 34 x (81)2

Subject: Maths, asked on 4/1/18

## Evaluate a) (3-2)2 x (52)-3 x (7-3)2/(3-2)5 x (5-3)2 x (7-4)3

Subject: Maths, asked on 4/1/18

## Simply  a)[(32)-4]3 b)[(-5)-4 x 74]3

Subject: Maths, asked on 4/1/18

## Express the following as positive exponents  a) 2-4 b) 10-5  c) (3/5)-2

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