Question

17P. Check by the method of dimensions whether the following equations are correct. l i) T = 21 g [T is the time period; 1 is the length of the string] P. ii) v = р [P= pressure and p is the density] 1 T iii) = 20Vm​

Answer 1

Answer:

Underground stem that grows parallel to the surface? A)Oxalis B)Strawberry C)Ginger D)SolanumExplanation:

hopit helps

Answer 2

Explanation:

(-3)³ × (-3)⁴ = [(-3) × (-3) × (-3)] × [(-3) × (-3) × (-3) × (-3)]

= (-3)3+4

= (-3)⁷

4. m⁵ × m³ = (m × m × m × m × m) × (m × m × m)

= m5+3

= m⁸

From the above examples, we can generalize that during multiplication when the bases are same then the exponents are added.