139949 The Vernier scale of a travelling microscope has 50 divisions which coincides with 49 main scale division. If each main scale division is 0.5 $\mathbf{m}\mathbf{m}$, then the lease count of the microscope is

269262 Three pieces of silver have masses $2.3\mathbf{k}\mathbf{g}$, $41.15\mathrm{g}$ and $30.19\mathrm{g}$. Thetotal mass of correct significant figures is ( in $\mathrm{kg}$ )

269264 The dimensions of a wooden block are 1. $1\mathrm{m}\times 2.36\mathrm{m}\times 3.1\mathrm{m}$. The number of significant figures in its volume should be

139949 The Vernier scale of a travelling microscope has 50 divisions which coincides with 49 main scale division. If each main scale division is 0.5 $\mathbf{m}\mathbf{m}$, then the lease count of the microscope is

269262 Three pieces of silver have masses $2.3\mathbf{k}\mathbf{g}$, $41.15\mathrm{g}$ and $30.19\mathrm{g}$. Thetotal mass of correct significant figures is ( in $\mathrm{kg}$ )

269263 The sum of the given two numbers with regard to significant figures is
$(5.0\times {10}^{-8})+(4.5\times {10}^{-6})=$

269264 The dimensions of a wooden block are 1. $1\mathrm{m}\times 2.36\mathrm{m}\times 3.1\mathrm{m}$. The number of significant figures in its volume should be

139949 The Vernier scale of a travelling microscope has 50 divisions which coincides with 49 main scale division. If each main scale division is 0.5 $\mathbf{m}\mathbf{m}$, then the lease count of the microscope is

269262 Three pieces of silver have masses $2.3\mathbf{k}\mathbf{g}$, $41.15\mathrm{g}$ and $30.19\mathrm{g}$. Thetotal mass of correct significant figures is ( in $\mathrm{kg}$ )

269263 The sum of the given two numbers with regard to significant figures is
$(5.0\times {10}^{-8})+(4.5\times {10}^{-6})=$

269264 The dimensions of a wooden block are 1. $1\mathrm{m}\times 2.36\mathrm{m}\times 3.1\mathrm{m}$. The number of significant figures in its volume should be

139949 The Vernier scale of a travelling microscope has 50 divisions which coincides with 49 main scale division. If each main scale division is 0.5 $\mathbf{m}\mathbf{m}$, then the lease count of the microscope is

269262 Three pieces of silver have masses $2.3\mathbf{k}\mathbf{g}$, $41.15\mathrm{g}$ and $30.19\mathrm{g}$. Thetotal mass of correct significant figures is ( in $\mathrm{kg}$ )

269263 The sum of the given two numbers with regard to significant figures is
$(5.0\times {10}^{-8})+(4.5\times {10}^{-6})=$

269264 The dimensions of a wooden block are 1. $1\mathrm{m}\times 2.36\mathrm{m}\times 3.1\mathrm{m}$. The number of significant figures in its volume should be