3 years ago

HELP PLEASE pre-calc

1 answer:

5 0

the second choice, and the last choice are correct.

the first one, x can be any number.
the second one, x can be any number but not -1(the denominator cannot be 0)
the third one, x has to be ≥ 1/2, because 2x-1 cannot be negative.
the fourth one, x can be any number but not -1 or -4
the last one, x can be any number but not -3

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Round 0.006772 to 1 significant figures.

Ahat [919]

Answer:0.007

Step-by-step explanation: the number after 6 is more than half of ten,therefore it is added to 6 as 1.To leave you with one significant figure.

0 is insignificant

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3 years ago

3/5 - 2/5 please help

Oduvanchick [21]

3/5 - 2/5 = 1/5

I hope that helps!

8 0