Convert to standard notation:
4.7*10^4
47,000
3+-7
-4
Round 1245 to the nearest ten
1250
3*-5
-15
"negative times positive equals positive"
false
Convert to scientific notation: 25,360
2.536*10^4
-5--3
-2
Round 0.334 to 1dp
0.3
(-24)/(-4)
6
The number is in Scientific Notation:
3.14*10^5
Convert to standard notation:
4.38*10^-5
0.0000438
12+-20
-8
Round 1845 to 2sf
1800
-6*-5
30
taking away a negative makes the answer more negative
false!
-- = +
Convert to scientific notation: 734,200
7.342*10^5
100--20
120
Round 13.899 to 2 dp
13.90
(-120)/(2)
-60
The number is in Scientific Notation:
1.4*10^-5
True
Convert to scientific notation: 0.0003005
3.005*10^-4
-35--40
5
Round 1986 to 2 sf
2000
(-5)*(-4)*(-2)
-40
adding a negative makes the answer more negative
true!
+- = -