Question

medal
0.0014 Round to 3 significant figures.

Answer 1

0.00140

Answer 2

anything before the 1 and 4 isn't significant if its a decimal

Answer 3

but you have to write as a power of 10

Answer 4

? × 10 ?

Answer 5

1.4 x 10^-3

Answer 6

first number has to be between 1 and 10 and power is -3 because you move the decimal to the left 3 times to get it to be 0.0014

Answer 7

wait 3 sig figs so 1.40 x 10^-3

Answer 8

i think its 140*10^-5

Answer 9

why is that? the first number has to be between 1 and 10, 140 is not

Answer 10

do you understand?