Respuesta :

Answer:

See below in bold.

Step-by-step explanation:

1.  1.52(98)

Estimate is 1.5 * 100 = 150.

2. 2.04(3.97):

2 * 4 = 8.

3.  4.42 + 5.91

=  4.4 + 6

= 10.4.

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