Question

in 2010 the United Sates national debt was estimated to be nearly 13,000,000,000,000 wich of the following represents the national debt in scientific notation?
A.1.3X10^11
B.1.3X10^12
C.1.3X10^13
D.1.3x10^14

Answer 1

count total number of digits

Answer 2

how im soo lost? :(

Answer 3

@ganeshie8

Answer 4

is it B.?

Answer 5

good guess, but no

Answer 6

13,000,000,000,000

Answer 7

any digits are there in this ?

Answer 8

UMM NO?

Answer 9

idk im soo lost

Answer 10

just count the digits

Answer 11

first digit is 1
second digit is 3
third digit is 0
fourth digit is 0
.....

? how many digits ?

Answer 12

14 digits so its D

Answer 13

good, but no

Answer 14

IS IT A OR C :/ ITS A QUIZ ND I HAVE 1 MIN LEFT

Answer 15

since u r putting decimal ADTER first digit, you need to subtract 1
14-1 = 13

so,
13,000,000,000,000 = 1.3 x 10^-13

Answer 16

tick C

Answer 17

thank youu soo much