laneuensgrett laneuensgrett

03-02-2016
Mathematics

contestada

What is the sum of (1.3 × 10-7) and (-3.8 × 10-3)?
A. 2.5 × 10-10
B. -2.5 × 10-4
C. 3.8 × 10-3
D. -3.8 × 10-3

Respuesta :

taskmasters taskmasters

03-02-2016

1.3 x 10⁻⁷ + -3.9 x 10⁻³

1.3 x 10⁻⁷ = 0.00000013
-3.9 x 10⁻³ = -0.0039

- 0.00390000
+ 0.00000013
- 0.00389987 ⇒ -3.8 x 10⁻³ CHOICE D.

Answer Link

Otras preguntas

if you flip a coin 150 times about how many times would you expect to get heads

In respiration, glucose in cells combines with oxygen to make energy. Carbon dioxide and water are also made. Write a word equation for this reaction.

fractions that are not equivalent to 1/3

Why must the region ruled by Hades have been a very gloomy place?

jake can carry 6 1/4 pounds of wood in from the barn. his father can carry 1 5/7 times as much as jake. how many pounds can jakes father carry?

Tabs, such as Insert and Page Layout, are used to navigate the __________.

Syphilis, like gonorrhea, is caused by a a. louse. b. virus. c. protist. d. bacterium.

______ is the only effective way invertebrates fight disease. Phagocytosis; Excretion; Lysozyme

(25 pts ! ) Hi, can you correct this conclusion for my essay (structure/voc./gramar/ponctuation ...) : To sum up, although there are two sides to a coin , I bel

who invented the apple phones