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exp=exponet
i need help

2.5731 x 10[exponet 2]
+
3.60 x 10 [exponet -1]
+
7.482 x 10 [exponet 1]
=

a) 3.68 x 10 [exp. 1]
b) 7.78 x 10 [exp. 1]
c) 1.37 x 10 [exp. 1]
d) 3.3249 x 10 [exp. 2]

2007-09-08 10:40:48 · 6 answers · asked by Erin 2 in Science & Mathematics Mathematics

6 answers

2.5731 x 10[exponent 2]
+
3.60 x 10 [exponent -1]
+
7.482 x 10 [exponent 1]
=

2.5731 x 10[exponent 2]
+
.00360 x 10 [exponent 2]
+
.7482 x 10 [exponent 2]
=

3.3249 x 10 [exponent 2]

2007-09-08 17:51:13 · answer #1 · answered by Beardo 7 · 0 0

I believe the answer is D

(2.5731 X 100) + (3.60 X 0.1) + (7.482 X 10) = 332.49

332.49 = 3.3249 X 10 {exp 2}

2007-09-08 17:53:48 · answer #2 · answered by Monica 2 · 0 0

Revert to standard form from scientific notation.

257.31 + .36 + 74.82 = 332.49

Revert answer into scientific notation.

332.49 = 3.3249 x 10^2

^ = exponent

Sincerely,
Young Einstein

2007-09-08 17:49:43 · answer #3 · answered by Young Einstein 3 · 0 1

Thats easy ur answer is d.) 3.3249*10^2

2007-09-08 17:54:20 · answer #4 · answered by Nilesh R 1 · 0 0

just move the decimal places over.

257.31 + .36 + 74.82

2007-09-08 17:48:14 · answer #5 · answered by Anonymous · 0 0

get a clue

2007-09-08 17:45:00 · answer #6 · answered by cool 5 · 0 2

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