diff --git a/src/utils/precision.cairo b/src/utils/precision.cairo
index 227ac299..e237865e 100644
--- a/src/utils/precision.cairo
+++ b/src/utils/precision.cairo
@@ -427,7 +427,7 @@ fn exp(x: u256) -> u256 {
     //check if x is not too big, but it's already checked in exp 2?
     let uLOG2_E = 1_442695040888963407;
     let double_unit_product = x * uLOG2_E;
-    exp2(double_unit_product/1000000000000000000)
+    exp2(double_unit_product / 1000000000000000000)
 }
 
 /// Compute factor from value and divisor with a roundup.
diff --git a/tests/utils/test_precision.cairo b/tests/utils/test_precision.cairo
index c7af2957..b8684378 100644
--- a/tests/utils/test_precision.cairo
+++ b/tests/utils/test_precision.cairo
@@ -106,14 +106,12 @@ fn test_exp() {
     let value4: u256 = 0000000000000000000;
     let value5: u256 = 1000000000000000000;
 
-
     let result1 = precision::exp(value1);
     let result2 = precision::exp(value2);
     let result3 = precision::exp(value3);
     let result4 = precision::exp(value4);
     let result5 = precision::exp(value5);
 
-
     assert(result1 == 7389056098930650223, 'should be 7389056098930650223');
     assert(result2 == 12182493960703473424, 'should be 12182493960703473424');
     assert(result3 == 1777474199233404337144, 'should_1777474199233404337144');