according to wall street journal, 14,200,000 videotape copies of walk disney's fantasia have been sold to date

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according to wall street journal, 14,200,000 videotape copies of walk disney's fantasia have been sold to date

write number in scientific notation.

a.142x1,000,000
b.1.42x10^6
c. 1.42x10^7
d. 142x10^7

2006-08-05 14:38:58 · 2 answers · asked by xcx_zqz_kvk 3 in Education & Reference ➔ Homework Help

2 answers

Ditto - the answer is c. You moved the decimal 7 places to put it after the 1 (the correct position in scientific notation - only a single digit in the unit's place to the left of the decimal, all the rest belong to the right of the decimal), so the answer is 1.42X10^7

2006-08-05 15:04:24 · answer #1 · answered by homeschoolmom 5 · 2⤊ 0⤋

What's up with the elementary arithmetic?
The answer is c., of course.

2006-08-05 14:45:10 · answer #2 · answered by Laha 1 · 0⤊ 1⤋