NCERT Class 8
3. Find the value of : (i) (30+4^-1) × 2^2
12
Oct
3. Find the value of : (i) (30+4^-1) × 2^2 3. Find the value of : (i) (30+4^-1) × 2^2 October 12, 2020 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,
2. Simplify and express the result in power notation with positive exponent: (v) 2^-3 × (-7)^-3
12
Oct
2. Simplify and express the result in power notation with positive exponent: (v) 2^-3 × (-7)^-3 2. Simplify and express the result in power notation with positive exponent: (v) 2^-3 × (-7)^-3 October 12, 2020 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,
2. Simplify and express the result in power notation with positive exponent: (iv) (3^-7 ÷ 3^-10)×3^-5
12
Oct
2. Simplify and express the result in power notation with positive exponent: (iv) (3^-7 ÷ 3^-10)×3^-5 2. Simplify and express the result in power notation with positive exponent: (iv) (3^-7 ÷ 3^-10)×3^-5 October 12, 2020 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,
2. Simplify and express the result in power notation with positive exponent: (iii) -(3)^4×(5/3)^4
12
Oct
2. Simplify and express the result in power notation with positive exponent: (iii) -(3)^4×(5/3)^4 2. Simplify and express the result in power notation with positive exponent: (iii) -(3)^4×(5/3)^4 October 12, 2020 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,
2. Simplify and express the result in power notation with positive exponent: (ii) (1/2^3)^2
12
Oct
2. Simplify and express the result in power notation with positive exponent: (ii) (1/2^3)^2 2. Simplify and express the result in power notation with positive exponent: (ii) (1/2^3)^2 October 12, 2020 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,
2. Simplify and express the result in power notation with positive exponent: (i) (-4)^5 ÷ (-4)^8
12
Oct
2. Simplify and express the result in power notation with positive exponent: (i) (-4)^5 ÷ (-4)^8 2. Simplify and express the result in power notation with positive exponent: (i) (-4)^5 ÷ (-4)^8 October 12, 2020 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,
1. Evaluate: (i) 3^-2 (ii) (-4)^-2 (iii) (1/2)^-5
12
Oct
1. Evaluate: (i) 3^-2 (ii) (-4)^-2 (iii) (1/2)^-5 1. Evaluate: (i) 3^-2 (ii) (-4)^-2 (iii) (1/2)^-5 October 12, 2020 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,
8. Water is pouring into a cuboidal reservoir at the rate of 60 liters per minute. If the volume of reservoir is 108 m^3, find the number of hours it will take to fill the reservoir.
12
Oct
8. Water is pouring into a cuboidal reservoir at the rate of 60 liters per minute. If the volume of reservoir is 108 m^3, find the number of hours it will take to fill the reservoir. 8. Water is pouring into a cuboidal reservoir at the rate of 60 liters per minute. If the volume [...]
7. If each edge of a cube is doubled, (i) how many times will its surface area increase? (ii) how many times will its volume increase?
12
Oct
7. If each edge of a cube is doubled, (i) how many times will its surface area increase? (ii) how many times will its volume increase? (i) how many times will its surface area increase? (ii) how many times will its volume increase? 7. If each edge of a cube is doubled October 12, 2020 [...]
6. A milk tank is in the form of cylinder whose radius is 1.5 m and length is 7 m. Find the quantity of milk in liters that can be stored in the tank.
12
Oct
6. A milk tank is in the form of cylinder whose radius is 1.5 m and length is 7 m. Find the quantity of milk in liters that can be stored in the tank. 6. A milk tank is in the form of cylinder whose radius is 1.5 m and length is 7 m. Find [...]