Write the following numbers in the usual form: `4. 83\ x\ 10^7` (ii) `3. 02\ x\ 10^(-6)` `4. 5\ x\ 10^4` (iv) `3\ x\ 10^(-8)` `1. 0001\ x\ 10^9` (vi) `5. 8\ x\ 10^2` `3. 61492\ x\ 10^6` (viii) `3. 25 x\ 10^(-7)`

Write the following numbers in the usual form: (i) \ 4. 83\ x\ 10^7 (ii) 3. 02\ x\ 10^(-6) (iii) \ 4. 5\ x\ 10^4 (iv) 3\ x\ 10^(-8) (v) \ 1. 0001\ x\ 10^9 (vi) 5. 8\ x\ 10^2 (vii) \ 3. 61492\ x\ 10^6 (viii) \ 3. 25 x\ 10^(-7)

Express the following numbers in usual form. (i) 3.02 x 10^-6 (ii) 3.5 x 10^4 (iii) 4 x 10^-8

Express the following numbers in usual form. (i) 3.02 xx 10^-6 (ii) 4.5 xx 10^4 (iii) 3 xx 10^(-8) (iv) 1.0001 xx 10^9 (v) 5.8 xx 10^12 (vi) 3.61492 xx 10^6

Write down the following in the product form: x^3y^4 (ii) 6x^7y (iii) 9x y^2z^2 (iv) 10 a^3b^3c^3

Simplify : (25\ x\ a^(-4))/(5^(-3)\ x\ 10\ x\ a^(-8)) (ii) (3^(-5)\ x\ 10^(-5)\ x\ 125)/(5^(-7)\ x\ 6^(-5))

Write the numeral whose expanded form is given below: ( i ) 6 xx 10^(4)+3 xx 10^(3)+0 xx 10^(2)+7 xx 10^(1)+8 xx 10^(0) ( ii ) 9 xx 10^(6)+7 xx 10^(5)+0 xx 10^(4)+3 xx 10^(3)+2 xx 10^(2)+9 xx 10^(1)+6 xx 10^(0) ( iii ) 8 xx 10^(5)+6 xx 10^(4)+4 xx 10^(3)+2 xx 10^(2)+9 xx 10^(1)+6 xx 10^(0)

Simplify : (25\ "x"\ a^(-4))/(5^(-3)\ "x"\ 10\ "x"\ a^(-8)) (ii) (3^(-5)\ "x"\ 10^(-5)\ "x"\ 125)/(5^(-7)\ "x"\ 6^(-5))

Find the mean of the following distribution: x: 4 6 9 10 15 f: 5 10 10 7 8

Find the mean of the following distribution: x: 4 6 9 10 15 f: 5 10 10 7 8

Find the mean of the following distribution: x: 4 6 9 10 15 f: 5 10 10 7 8