oliverlacy26 oliverlacy26

20-08-2019
Mathematics

contestada

Estimate the sum 42+36=

Respuesta :

piggyt816 piggyt816

20-08-2019

About 76 or 77 but the actual answer is 78

Answer Link

acw4186 acw4186

20-08-2019

Answer:

about 80

Step-by-step explanation:

round each number

-42 is closest to 40

-36 is closest to 40, too

add both numbers together

-40+40=80

Answer Link

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