Question

How do you write the standard number -759.82 in exponential notation?

Answer 1

-7(102) + -5(101) + -9(100) + -8(10-1) + -2(10-2)
-7(104) + -5(103) + -9(102) + -8(101) + -2(100)
-7(103) + -5(102) + -9(101) + -8(100) + -2(10-1)
-7(101) + -5(100) + -9(10-1) + -8(10-2) + -2(10-3)

Answer 2

hint:
\[759.82 = 700 + 50 + 9 + 0.8 + 0.02\]

Answer 3

-7(102) + -5(101) + -9(100) + -8(10-1) + -2(10-2) this one?

Answer 4

that's right!

Answer 5

Thanks, do you think you could help me with more?

Answer 6

yes!

Answer 7

Write the number 3,430 x 10-8 in scientific notation.

Answer 8

@Michele_Laino

Answer 9

hint:
\[3,430 = 3.4 \times {10^3}\]

Answer 10

oops...I have made an error:

Answer 11

\[3,430 = 3.43 \times {10^3}\]

Answer 12

34.3 x 10-5

Answer 13

3.43 x 10^(-5)

Answer 14

since we have:
\[3,430 \times {10^{ - 8}} = 3.43 \times {10^3} \times {10^{ - 8}} = 3.43 \times {10^{ - 5}}\]

Answer 15

Oh my bad, put the decimal in the wrong place!