Question

Expand the following numbers using exponents:

a) 1029.63

b) 1296.249 [2 MARKS]

Answer 1

Concept: 1 Mark each



$a)1029.63=1\times {10}^3+0\times {10}^2+2\times {10}^1+9\times {10}^0+6\times {10}^{-1}+3\times {10}^{-2}$

$b)1296.249=1\times {10}^3+2\times {10}^2+9\times {10}^1+6\times {10}^0+2\times {10}^{-1}+4\times {10}^{-2}+9\times {10}^{-3}$