Maths Questions?

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Can someone please tell me the answers to these:
1) – 3 x 14 – 8 ÷ 22 + (5 – 7)3 = ???
2) What is the square root of 2.52 - 0.72 ?

Thanks!

2007-12-16 18:46:33 · 2 answers · asked by sarah.miller8 1 in Science & Mathematics ➔ Mathematics

2 answers

1.
-3 x 14 - 8/22 + 3(5-7)
= (-3x14) - (8/22) + 3(5-7)
= -42 - 4/11 + (-6)
= -42 4/11 + (-6)
= -42 4/11 - 6
= -48 4/11

2.
√2.52 - 0.72
=√1.8
= 1.3416407864998738......

2007-12-16 19:00:03 · answer #1 · answered by An ESL Learner 7 · 0⤊ 0⤋

1) -48.3636

2) 1.3416

Get a calculator man.

2007-12-17 02:52:37 · answer #2 · answered by Illiniguy 2 · 0⤊ 0⤋