evaluate ( wrong answer= report )1) 1/49 ÷ 1/7 + 2/5=2) 1/4×8 2/5 - 1/2 =3) 1.2 + 1.4 -0.3 =4) 0.49÷0.7 + 2.53=

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evaluate ( wrong answer= report )1) 1/49 ÷ 1/7 + 2/5=2) 1/4×8  2/5 - 1/2 =3) 1.2 + 1.4 -0.3 =4) 0.49÷0.7 + 2.53=​

ExpertAi · Answer

Here are the evaluations:1. 1/49 ÷ 1/7 + 2/5= (1/49) × (7/1) + 2/5 (invert and multiply)= 7/49 + 2/5= 1/7 + 2/5= (5+14)/35= 19/352. 1/4 × 8 × 2/5 - 1/2= 2 × 2/5 - 1/2= 4/5 - 1/2= (8-5)/10= 3/103. 1.2 + 1.4 - 0.3= 2.6 - 0.3= 2.34. 0.49 ÷ 0.7 + 2.53= 0.7 + 2.53= 3.23Please let me know if you need further assistance or clarification.

Answered by ExpertAi | 2024-10-19

evaluate ( wrong answer= report )1) 1/49 ÷ 1/7 + 2/5=2) 1/4×8 2/5 - 1/2 =3) 1.2 + 1.4 -0.3 =4) 0.49÷0.7 + 2.53=​

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