Math, asked by rebecaamaya2151, 4 months ago

To estimate the product of 21 x 78, what is the best way to round the factors?

A.20 x 80

B.30 x 70

C.20 x 70

D.30 x 80

Answers

Answered by dwahab

0

Answer:

a

Step-by-step explanation:

21=20

78=80

Previous Question

Next Question

Similar questions

Physics, 2 months ago

Anybody Pls tell me the answer of question...

Math, 2 months ago

find the total area of a cuboid whose length is 6 cm, breadth is 5 cm, height is 4 cm ...

Economy, 2 months ago

The values of the same 15 students in two subjects A and B are given below; the two numbers within the brackets denoting the ranks of the same student in A and B respectively. (1,10) (2,7) (3,2) (4,6) (5,4) (6,8) (7,3) (8,1). (9,11) (10,15) (11,9) (12,5) (13,14) (14,12) (15,13) Use Spearman’s formula to find the rank Correlation Coefficient.

English, 4 months ago

Everything is set for the meeting, let me know if we need to __________ any last minute details. Is write up or look for? The good thing about living near family is that you always have someone to __________. Which one of the alternatives is the answer? get off, sign up, sort out, comes to, turn to, brighten up, pass up, comes to, write up, look for, tear off...

Business Studies, 4 months ago

write a short note on formalization...

Sociology, 9 months ago

write a letter to concerned authority highlighting the necessity to change the current laws on use of groungwater...

English, 9 months ago

explain cyswokers experiment ....

Math, 9 months ago

if sin(A-B)=1/2 and angle A=60° then angle B=...