SSLC (English Medium) कक्षा ९ - Tamil Nadu Board of Secondary Education Question Bank Solutions

Represent the following number in the scientific notation:

0.0009000002

For which set of numbers do the mean, median and mode all have the same values?

Write the following numbers in decimal form:

3.459 × 10⁶  

Write the following numbers in decimal form:

5.678 × 10⁴ 

Write the following numbers in decimal form:

1.00005 × 10⁻⁵ 

Write the following numbers in decimal form:

2.530009 × 10⁻⁷ 

Represent the following numbers in scientific notation:

(300000)² × (20000)⁴ 

Represent the following numbers in scientific notation:

(0.000001)¹¹ ÷ (0.005)³ 

Represent the following numbers in scientific notation:

`{(0.00003)^6 xx (0.00005)^4} ÷ {(0.009)^3 xx (0.05)^2}`

Represent the following information in scientific notation:

The world population is nearly 7000,000,000

Represent the following information in scientific notation:

One light year means the distance 9460528400000000 km

Represent the following information in scientific notation:

Mass of an electron is 0.000 000 000 000 000 000 000 000 000 00091093822 kg

Simplify: (2.75 × 10⁷) + (1.23 × 10⁸)

Simplify: (1.598 × 10¹⁷) – (4.58 × 10¹⁵)

Simplify: (1.02 × 10¹⁰) × (1.20 × 10⁻³)

Simplify: (8.41 × 10⁴) ÷ (4.3 × 10⁵)

If (x + a)(x + b)(x + c) = x³ + 14x² + 59x + 70, find the value of a + b + c

If (x + a)(x + b)(x + c) = x³ + 14x² + 59x + 70, find the value of `1/"a" + 1/"b" + 1/"c"`

If (x + a)(x + b)(x + c) = x³ + 14x² + 59x + 70, find the value of a² + b² + c² 

If (x + a)(x + b)(x + c) = x³ + 14x² + 59x + 70, find the value of `"a"/"bc" + "b"/"ac" + "c"/"ab"`