Explain how you could add 678 + 303 using mental math

2 answers:

6 0

Okay well I do it like this. 3+8=11. I put a 1 down and carry the other. so I do 7+0+1=8 so now I have 81, and last I do 6+3=9. so the answer would be 981.

Have a nice day!

bezimeni [28]3 years ago

4 0

Add the hundreds first then the tenths then the units. so add 600 +300 which is 900 then 70 +0 which is 70 then 8+3 which is 11 then add them all up which is 981.

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Firdavs [7]

It can be deduced that the null hypothesis is H: p = 0.25 and the alternative hypothesis is H: p > 0.25.

<h3>What is the null hypothesis?</h3>

It should be noted that null and alternate hypothesis are written based on the population parameter.

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5 0

2 years ago

0.1+0.2+0.3×0.4????

Pavel [41]

0.24 should be your answer

6 0

3 years ago

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