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)`

Write the following numbers in the usual from: (i) 4. 83xx10^7 (ii) 3. 21xx10^5 (iii) 3. 5xx10^3

Write the following numbers in the usual form: (i)7.54 xx10^6 (ii) 9.325 xx10^(12) (iii)8.4 xx10^2

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

Express the following number in standard form: 6020000000000000 (ii) 0.0000000000942 (iii)0.00000000085 (iv) 846\ xx\ 10^7 (v) 3759\ x\ 10^(-4) (vi) 0. 00072984 (vii) 0. 000437\ x\ 10^4 (viii) 4-:100000

Find the value of the following expressions for x=2i) x+4 ii) 4x-3 iii) 19-5x^2 iv) 100-10x^3

Find the values of the following expressions for x=2. (i) x+4 (ii) 4x-3 (iii) 19-5x^2 (iv) 100-10x^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))

Calculate the following a. (6.7 xx 10^(5)) xx (4.6 xx 10^(4)) b. (7.6 xx 10^(7)) xx (3.8 xx 10^(-4)) c. (6.8 xx 10^(-3)) xx (5.2 xx 10^(-4)) d. (6.7 xx 10^(5)) / (4.6 xx 10^(4)) e. (7.6 xx 10^(7)) / (3.8 xx 10^(-4)) f. (6.8 xx 10^(-3)) / (3.8 xx 10^(-4)) g. 7.65 xx 10^(2) + 2.72 xx 10^(3) h. 7.87 xx 10^(-4) - 2.61 xx 10^(-5)