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 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

What should be included in a financial plan to protect assets?
What angle has no supplement
Karyn proofreads 15 pages in 2 hours for $40a. How much does she receive on average for a page?
Why is H2SO4 regarded as an ampholyte
What image of the Lady Freedom does Rita Dove create? Question 9 options: a) One of African American decent b) One of elegance and affluence c) One of a
Any five chapter 9 institutions found in the constitution of south africa
The longest side of an obtuse triangle measures 20 cm. The two shorter sides measure x cm and 3x cm
Choose the correct order of the following sentences: 1. 我 喜欢 爵士乐 最 听 I like Jazz the most to listen (1) (2) (3) (4) (5) Answer-14253 2. 要 最 我
Shannon and her family are traveling in the car. Her mom brought 1/2 pound of raisins to share equally between the four family members. How much will each pers
Round the mixed number to the nearest whole or half. 11 5/6