Question

Express the following numbers in standard form.

a.)0.00000085

b.)31860000

Answer 1

a. 8.5 x 10^(-7)

b. 3.186 x 10^(7)

Explanation:

ok so standard form means to put the number in terms of a number from 1-10 times 10 to a power of something (10^7)

for a you have to move the decimal to the right 7 times to make the number between 1 and 10 and since you had to carry the decimal to the right, it's a negative 10 power

for b you habe to move the decimal to the left 7 times to make the number between 1 and 10 and since you had to carry the decimal to the left, it's a positive 10 power