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

You are making sets of pens and pencils to sell. you want each set to contain the same combination of pens and pencils. you have 105 pens and 147 pencils, and y

The measure,in degrees,of the three angles of a triangle are given by 2x + 1,3x - 3, and 9x.Whar is the measure of the smallest angle

what score does jane need to receive an 85% average if she has an 32,90,92,82,64

How do members of congress use caseworkers to keep in touch with people in their home states and districts?

Go verbs are regular verbs that talk about motion.

Match each disease to the correct pathogen type. A. Virus Yeast infection B. Fungus Flu C. Protist Malaria

The constitutional question At the heart of US v. Nixon is Best described as

What is a fifth of 65.20?

Why must most people get a mortgage to buy a home?

During an important playoff game, a football player notices a hazard on the field that may distract or hurt an opposing player, but is unlikely to affect his ow