Question

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Answer 1

Explicación paso a paso:

1) 0,75 kg + 2500 mg =

[tex]0.75 \: kg \times \frac{1000 \: gr}{1kg} = \frac{0.75 \times 1000gr}{1} = 750gr[/tex]

[tex]2500 \: mg \times \frac{1 \: mg}{1000} = \frac{2500 \times 1gr}{1000} = 2.5gr[/tex]

[tex]750gr + 2.5gr \: = 752.5gr[/tex]

2) 42 dag + 3 hg

[tex]42dag \: \times \frac{10gr}{1dag} = \frac{42 \times 10}{1} = 420 \: [/tex]