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

Consider the polynomial 2x5 + 4x3 - 3x8 Part A The polynomial in standard form is: Part B: The degree of the polynomial is: Part C: The number of terms in the p

3(q−7)=27 need help plzz 1st peep gets brainlest

The ph of the test tube can be calculated by knowing the concentration of hydroxide ions in solution. the ph = 14 + log 10 oh- for example the 0.1m stock of nao

What did the results of photoelectric-effect experiments establish?

Solve y = ax? + c for x. I-var- c

Is a mother's love strong enough to cause the destruction of masterpieces worth millions of dollars? If the confession of the mother of an accused art thief is

are schools agents of conflict and disintegration

Individual "A" produces 10 offspring, 8 of whom survive to adulthood. Individual "B" (a member of the same population) produces 15 offspring, 7 which survive to

You cross a plant with red flowers with a plant with white flowers. Both plants are pure-breeding. All the offspring have pink flowers. What allele relationship

Andrea Apple opened Apple Photography, Inc. on January 1 of the current year. During January, the following transactions occurred and were recorded in the compa