Question

expand a) 102 5.63 b) 125 6.249 using exponents​

Answer 1

Answer:

$a). \: 1025.63 \\ =( 1 \times {10}^{3}) + (2 \times {10}^{1} ) + (5 \times {10}^{0} ) \\ + (6 \times {10}^{ - 1} ) + (3 \times {10}^{ - 2} ) \\ \\ \\ \\ b). 1256.249 \\ = (1 \times {10}^{3} ) + (2 \times {10}^{2} ) + (5 \times {10}^{1}) \\ + (6 \times {10}^{0} ) + (2 \times {10}^{ - 1}) + \\ (4 \times {10}^{ - 2} ) + (9 \times {10}^{ - 3} )$

Step-by-step explanation:

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