
explain plz
Add 589 and 1023, round off the answer to 3significant figures
a) 161
b) 1612
c) 1610
d) 1609
Estimate 11.5 - 0.76 by rounding off each number to 1 s.f.
a) 10
b) 11
c) 9.2
d) 13
……..are the numbers of figures that indicate the accuracy of any calculation or measurement.
a) final number
b) digits
c) significant figure
d) last digit
What is the number 75.66852 rounded off to 5 significant digits?
a) 75.67
b) 75.669
c) 75.668
d) 75.667
The length of a cube is 2.3 cm. What is its volume rounded off to 4 significant digits in cm3?
a) 12.67
b) 12.167
c) 12.17
d) 13
How many significant digits are there in 25.33600?
a) 7
b) 8
c) 5
d) 6
option c is correct
by at 2025-03-10 20:24:54