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3. Using appropriate properties find: $\frac{2}{3} \times \frac{3}{5} + \frac{5}{2} - \frac{3}{5} \times \frac{1}{6}$ 4. Simplify and give the answer in standard form $(\frac{3}{8} + \frac{5}{12}) \div (-\frac{8}{15} \times \frac{27}{16})$ 5. Find the multiplicative inverse of i) $\frac{-4}{9} \times \frac{-3}{7}$ ii) $2^{-3}$ iii) $10^5$ 6. Express 2048 as a power of 2. 7. Evaluate i) $3^{-3}$ ii) $(-4)^{-3}$ iii) $\frac{2}{2^{-3}}$ iv) $(\frac{1}{2})^{-5}$ 8. Simplify a) ${\{ (\frac{1}{3})^{-2} - (\frac{1}{2})^{-2} \} \div (\frac{1}{4})^{-3}$ b) $(-3)^4 \times (\frac{5}{3})^4$ 9. Find 'm' such that $(-3)^{m+1} \times (-3)^5 = (-3)^7$ 10. Answer the following i) What is the standard form of 6020000000000000 ii) What is the usual form of $1.0001 \times 10^9$ iii) The size of a plant cell is 0.00001275 m. Express this size in standard form. 11. What is the decimal number which when multiplied by itself gives 0.000729?

          3. Using appropriate properties find:
$\frac{2}{3} \times \frac{3}{5} + \frac{5}{2} - \frac{3}{5} \times \frac{1}{6}$

4. Simplify and give the answer in standard form
$(\frac{3}{8} + \frac{5}{12}) \div (-\frac{8}{15} \times \frac{27}{16})$

5. Find the multiplicative inverse of i) $\frac{-4}{9} \times \frac{-3}{7}$ ii) $2^{-3}$ iii) $10^5$

6. Express 2048 as a power of 2.

7. Evaluate
i) $3^{-3}$ ii) $(-4)^{-3}$ iii) $\frac{2}{2^{-3}}$ iv) $(\frac{1}{2})^{-5}$

8. Simplify
a) ${\{ (\frac{1}{3})^{-2} - (\frac{1}{2})^{-2} \} \div (\frac{1}{4})^{-3}$
b) $(-3)^4 \times (\frac{5}{3})^4$

9. Find 'm' such that $(-3)^{m+1} \times (-3)^5 = (-3)^7$

10. Answer the following
i) What is the standard form of 6020000000000000
ii) What is the usual form of $1.0001 \times 10^9$
iii) The size of a plant cell is 0.00001275 m. Express this size in standard form.

11. What is the decimal number which when multiplied by itself gives 0.000729?

$3. Using appropriate properties find: (2)/(3)×(3)/(5) + (5)/(2) - (3)/(5)×(1)/(6) 4. Simplify and give the answer in standard form ((3)/(8) + (5)/(12)) ÷ (-(8)/(15)×(27)/(16)) 5. Find the multiplicative inverse of i) (-4)/(9)×(-3)/(7) ii) 2^-3 iii) 10^5 6. Express 2048 as a power of 2. 7. Evaluate i) 3^-3 ii) (-4)^-3 iii) (2)/(2^-3) iv) ((1)/(2))^-5 8. Simplify a) { ((1)/(3))^-2 - ((1)/(2))^-2}÷ ((1)/(4))^-3b)(-3)^4 × ((5)/(3))^49. Find 'm' such that(-3)^m+1× (-3)^5 = (-3)^710. Answer the following i) What is the standard form of 6020000000000000 ii) What is the usual form of1.0001 × 10^9iii) The size of a plant cell is 0.00001275 m. Express this size in standard form. 11. What is the decimal number which when multiplied by itself gives 0.000729?$

Added by Alex M.

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